Mathematics High School

Please help me and explain the solution, my mom is going to give away my cat if I don't pass this.

Please Help Me And Explain The Solution, My Mom Is Going To Give Away My Cat If I Don't Pass This.

Answers

Answer 1

Answer:

45

Step-by-step explanation:

Related Questions

Round to the nearest ten to estimate the difference of 789 – 371. Enter your answer in the box.

Answers

Answer:

420

Step-by-step explanation:

789 would round to 790 and 371 would round to 370 so 790 - 370 is 420

PLEASE HELP!!
asap, thank you if you do.
you do not have to do all of them, please show work btw.

Answers

Answer:

5. 36 square inches

2. Answer is B.

3. 189 cm^2

Step-by-step explanation:

5. 6 + 6 + 6 + 8 + 10 = 36

3. 51 + 102 + 36 = 189

9. If ground beef costs $4.98 for 3 pounds, then what is the unit rate (cost per
pound)?
(a) What is the unit rate (cost per pound)? Don't forget units!
(b) Explain how you found the unit rate.
Explanation:

Answers

Answer:

1.66 pounds

Step-by-step explanation:

4.98 dollars divided by 3 pounds

Ten times the number of balloons is 120

Answers

Answer:

12 balloons

Step-by-step explanation:

120 divided by 10 = 12

:)

Can someone please help me understand how to do this???

Answers

Answer:

is it 83.3

Step-by-step explanation:

can you guys help please?

Answers

Answer:

25%

Step-by-step explanation:

There are 3 shaded and there are 12 in all, 3 is 25% of 12


BICYCLES A bicycle has tires that are 24 inches in
diameter.
How many inches does the tire travel after 350 rotations?

Answers

Answer:

75.4 in. b. 7540 in. Find the diameter and radius of a circle with the.

Step-by-step explanation:

hope this helped !!!!!!

Anna said that the product of 78⋅112=7278·112=72.


How can you tell that her answer is wrong?

Answers

Answer:

The easiest way I can think of to show someone who is not very mathematically inclined that the calculation is wrong (other than using a scientific calculator) is this:

Explain that one half contains four eighths - you can visualize this very simply with a pie chart.

Then tell Anna that mathematically speaking this translates to the equation:

1/2 = 4 * 1/8

Now, if ONE half is equal to four times ONE eighths, then SEVEN halves is equal to four times SEVEN eighths - basically, you just multiply both sides by 7:

7/2 = 4 * 7/8

Now, compare this to the equation proposed by Anna:

7/2 = 1½ * 7/8

I guess, at this point it will be easy to convince Anna that 1½ is not 4, and therefore her equation is faulty.

-----

Alternatively, if she's sound with fractions you could also tell her that to get from 7/8 to 7/2 you will need a factor which only affects the denominator as the numerator stay the same. The factor that turns 8 into 2 is 1/4 but since this takes place in the denominator we need the reciprocal to turn 1/8 into 1/2 - and the reciprocal of 1/4 is of course 4. At which point we've arrived at the same place of argumentation as before (which is that 4 ≠ 1½).

Step-by-step explanation:

hope this helps        :)

Out of the 400 students surveyed,
-how many more students chose Mr.
Crosby than Ms. Smokey?
Favorite Teacher

Answers

Answer:

60 more students

Step-by-step explanation:

400 × 0.3 (30%) = 120

400 × 0.15 (15%) = 60 = 120÷2

120 -- 60 = 60

60 more students

brainliest plz if someone else answers

let's one two and three have the following relationships <1and <2 are adjacent right angles <1 and <3 are vertical angles what is the measurement of <1 plus the measure of <3 minus the measure of two

Answers

Answer:

180 Vertical angles are opposite angles that share only a vertex.  Since ∠3 is adjacent to both ∠1 and ∠2, this means that ∠3 shares a side and vertex with both of these angles.

This means that ∠3 and ∠1 form a straight line; this makes them a linear pair, which makes their sum 180°.

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Answers

Answer:

Y= 10

angle D= 76

angle C=40

angle E=64

Step-by-step explanation:

help plz solve for sides on 30-60-90 triangles 50 POINTS

Answers

You are lying about the points

Answer:

liiiaaaarrrrrr

Step-by-step explanation:

a recipe calls for 5/8 cup of sugar for every 5 teaspoons of vanilla. what is the unit rate in cups per teaspoon?

a) 3 1/8
b) 1/8
c) 8
d) 8/25

Answers

Answer:

b) 1/8

Step-by-step explanation:

5/8 ÷ 5 = 1/8

The unit rate in cups per teaspoon is 1/8 cup of sugar.

What is the unitary method?

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

5/8 cup of sugar=5 teaspoons of vanilla.

or, 5 teaspoons of vanilla = 5/8 cup of sugar

So, 1  teaspoon of vanilla = (5/8)/5 cup of sugar

(5/8)/5 = (5/8)*(1/5)

(5/8)/5 =1/8

So, 1 teaspoon of vanilla = 1/8 cup of sugar

Hence, the unit rate in cups per teaspoon is 1/8 cup of sugar.

To get more about unitary methods visit:

https://brainly.com/question/24587372

The area of a circle is 3.14 square meters, What is the circle's diameter?

Answers

Answer:

506.128

Step-by-step explanation:

A jar contains 3 blue marbles and 6 red marbles. Suppose you choose a marble at
random and do not replace it. Then you choose a second marble. Find the probability of
both of the marbles you select are red.

Select the correct answer
A: 1/18
B: 5/12
C: 1/3

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answer should be c.1/3

Which career would be a good fit for Navin?

Answers

Answers

histotechnologist career would be a good fit for navin

Answer:

C. Histotechnologist.

Definitely correct. Just took the Edge Unit Test

Step-by-step explanation:

Find the value of x in each triangle with the given angle measures.

Answers

Answer:

15°

Step-by-step explanation:

Total degrees of a triangle is 180°

Angle 1: ?

Angle 2: 81°

Angle 3: 84°

180°- 81°- 84° = 15°

A music store marks up the instruments it sells by 30%.
1. If the store brought a guitar for $45, what will be the amount of the mark up?

Answers

Answer: They will mark it up 13.5$ to 58.5$

Step-by-step explanation:

45 x .3 = 13.5

45 + 13.5 = 58.5

Answer:

The mark up will be 13.5

Step-by-step explanation:

Please help me please

Answers

Answer:

SA=390

Step-by-step explanation:

9*14=126

126+126=252

14*3=42

42+42=84

9*3=27

27+27=54

252+84+54=390

4x + 5y = -2 . what is the slope show ur work

Answers

4x + 5y = -2

-5 -5

4x = -5y - 2

4x/4 = -5y -2/ 4

x = -5/4 y + -1/2

Theoretical probability
P(rolling a 2)
P(rolling a 5)

Answers

Answer:

yes indeed..... (wdm? u never finished the question)

Step-by-step explanation:

Answer:

The theocratical probability of rolling a two is 2/6 or 1/3. The theocratical probability of rolling a five is 5/6.

Step-by-step explanation:

-x+ x² - 6 what is the answer ​

Answers

Answer:

x2−x−6

Step-by-step explanation:

Answer:

(x-3)(x+2)

Step-by-step explanation:

a television regularly cost $180 but is on sale for 40% off there is a 5% sales tax on the sales price how much does the television cost after the discount and sales tax ​

Answers

Answer:

$102.60

Step-by-step explanation:

i am pretty sure this is correct

See image for question.

Please show workings and diagrams.​

Answers

Answer:

a) 16.4 kmb) 79°c) 10 km

Step-by-step explanation:

Find the m∠B:

m∠B = (360° - 310°) + 50° = 100°

a)

Find AC using law of cosines:

AC = √(8² + 13² - 28*13*cos 100°) = 16.4 km (rounded)

b)

Find m∠A using law of sines:

16.4/ sin 100 = 13 / sin Am∠A = arcsin (13 sin 100 deg / 16.4) = 51° (rounded)

The bearing of C from A:

180° - (50° + 51°) = 79°

c)

Let the required distance is x:

x/ BC = sin 50°x = BC sin 50°x = 13 sin 50°x ≈ 10 km (rounded)

Answer:

a) 16.4 km

b) 79 deegres.

c.10 km

Step-by-step explanation:

Find the m<B:

-m<B= 360 deegres -310 deegres) +50 deegres=100 deegres.

a)

Find AC using law of counsines:

-AC=( 8 to the second power + 13 to the second power - 28×13× cos 100 deegres.

16.4 km

AB is parallel to CD. Find the measure of each numbered angle.

Answers

Answer:

#4 angle 1 = 154 degrees

#4 angle 2 = 26 degrees

#5 angle 1 = 97 degrees

#5 angle 2 = 82 degrees

#5 angle 3 = 83 degrees

Step-by-step explanation:

The image displays which angles are the same on line equations like these using color coding.

In order to translate between the green angle and the pink angle you subtract it from 180.

Equation: 180 - angle type 1 = angle type 2

Ex: 180 - 154 = 26

Find f(x)=(x^2)+x+39, when x=50. (don't write a comma in answer.)

Answers

f(x) = x² + x + 39

f(50) = 50² + 50 + 39

f(50) = 2500 + 89

f(50) = 2589

f is a trigonometric function of the form f(c) = a cos(bm + c) + d.
Below is the graph of f(2). The function has a maximum point at (T1,9) and a minimum point at
Зп
Find a formula for f(2). Give an exact expression.

Answers

The explaination is here

Tennis balls: Must rebound approximately 111 cm when dropped from 200 cm. Soccer balls: Must rebound approximately 120 cm when dropped from 200 cm onto a steel plate. Basketballs: Must rebound approximately 53 .5 inches when dropped from 72 inches onto a wooden floor. Squash balls: Must rebound approximately 29 .5 inches when dropped from 100 inches onto a steel plate at 70∘ Which ball listed above is the bounciest

Answers

Answer:

There is no basis for comparison because the effect of the other variables that are not being studied are not minimized

Step-by-step explanation:

The rate at which each type of ball bounce are;

Tennis balls;

The height to which the ball is must rebounds ≈ 111 cm

The height from which the ball is dropped = 200 cm

Surface = Steel plate

Basketballs;

The height to which the ball must rebounds ≈ 5.35 inches

The height from which the ball is dropped = 72 inches

Surface = Wooden floor

Squash balls

The height to which the ball must rebounds ≈ 29.5 inches

The height from which the ball is dropped = 100 inches

Steel plate at 70°

Therefore, given that the experimental are performed with different variables of height from which each type of ball is dropped, the surface to which the ball is dropped, the angle of the surface to which the ball is dropped, there is no controlled variable to provide a basis for comparison

Two angles are vertical angles. One measures 39 degrees. What is the measure of the other angle? *

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Can u post a picture of it?

Simplify Expression.
-4 + 8p - 6p - 5 + 20p

please step by step. ​

Answers

—4 and -5= -9 then 8p-6p=2p and 2p+20p= 22p-9

Answer:

p= 9/22

Step-by-step explanation:

grouping of like terms

= -4-5 +8p-6p+20p

= -9 +22p

p =9/22

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