Mathematics High School

A boy has only dimes and quarters in his piggy bank. If he has 90 coins worth 12 dollars and 60 cents altogether, how many quarters does he have in his bank? A) 24 B) 25 C) 21 D) 22 E) 23

Answers

Answer 1

CCCCCC"CCCCCCCCCCC"CCCCCCCCCCCCCCCCCCCCC

Related Questions

Please help with this!!

Answers

It is b I did that too!!

Answer:

(4x-6)(4x-6)

Step-by-step explanation:

expand 4x×4x-6×6

33) What value for x makes this equation true? 4x + 3 = 23

Answers

Answer:

x = 5

Step-by-step explanation:

4x + 3 = 23

Subtract 3 from both sides;

4x = 20

Divide both sides by 4;

x = 5

Answer:

x=5

Step-by-step explanation:

4x+3=23

4x=23-3

4x=20

x=20/4

x=5

An engineer is building a bridge that should be able to hold a maximum weight of 1 ton. He builds a model of the bridge that is exactly 4 times smaller than the actual bridge.

16 ounces = 1 pound. 2,000 pounds = 1 ton.

If a test of the model shows that it holds 8,000 ounces, will the bridge hold 1 ton?

8,000 ounces on the model is equal to
ounces on the actual bridge.
Convert ounces to pounds. The actual bridge can hold
pounds.
Therefore, the bridge
hold 1 ton.

Answers

Answer:

the bridge holds one ton. on Edgunuity

Step-by-step explanation:     <3

Answer: first one is 32000 the second one is 2000 and the third one Is  it will hold 1 ton

The mean length of 10 childrens' big finger is 8.1cm.
The mean length of 11 adults' big finger is 14.1cm.
What is the mean length (rounded to 2 DP) of these 21 people's big finger?​

Answers

Answer:

The mean length of 10 children's big finger is 8.1 cm

Average length of all the 10 children's finger is (8.1×10) cm = 81 cm.

The mean length of 11 adult's big finger is 14.1 cm

Average length of all the 11 adult's big finger is (14.1×11) cm =155.1

Mean length of these 21 people's big finger is[tex] \frac{(81 + 155.1)}{21} = 11.242857[/tex]Hence, 11.24 is the right answer.

What is 9,000.000.000.000.000.000.X 12.000.000.000.000.000.000.000.000.000.000

Answers

Answer:

108000.

Step-by-step explanation:

9,000 x 12

Please help! 20 points and Brain liest if answered correctly

Answers

Answer:

-5,4

Step-by-step explanation:

Answer:

y=3/4x-5

Step-by-step explanation:

look at the image I attached

D. the area of the interior square in step 2 is equal to c² + ab.

I'll give u brainly if u right​

Answers

Answer:

I think it is C

Step-by-step explanation:

The first two options are correct. The third one is false.

how to multiply decimals when not using models​

Answers

Answer:

You multiply it like normal numbers. But when you do, count how many numbers are behind the decimal, say there are 2 numbers behind the decimal, once you finished multiplying the numbers you would add up all the products you got and then put the first 4 numbers you wrote behind the decimal to get the final product.

Step-by-step explanation:

Say you were multiplying 14.63 and 7.74

                 

                   14.63

                   x 7.74                 Always starting from the right side of the equation

                   .5852                go to the left four digits and put a decimal then                  

                  ↑←←←←                just carry the decimal down and you'll  end up with  

                 10.2410              the final product

            + 102.4100                

               113.2362

What is the mean absolute deviation of the set of numbers {3, 7, 5, 6, 4}?

Answers

Answer:

5

Step-by-step explanation:

mean = sum of all values÷number of observation

= 3+7+5+6+4 ÷ 5

= 5

Please help me, I’m brain dead right now:)

Answers

Answer:

A 40%

Step-by-step explanation:

2/5 = 40/100 (or 40%)

So 40 blocks should be filled in :)

Hope this helps!

Answer: the answer is a

Step-by-step explanation:  because the equivalent fraction is 4/10 and the  graph is of 10 by 10 so from it shahid 10 from breath and 4 from length

PLEASE MAKE Me THE BRAINLYEST

Every morning runs for 30 minutes. If runs 6 miles per​ hour, how far does ​travel? Use the equation d​rt, where d is​ the distance, r is​ the rate, and t is time.

Answers

Answer:

3 Miles

Step-by-step explanation:

D = R*T

0.5*6 = 3

so 3

HELP PLS
The closing amount of the Dow Jones Industrial Average on the stock market for four days is shown in the table below.

Date
Closing amount (in points)
01/27 13,895.98
01/28 13,881.93
01/29 13,954.4
01/30 13,860.42

Which best represents the greatest amount of change that took place from one day to the next day over the four-day period?
a loss of 93.98 points
a loss of 72.47 points
a gain of 72.47 points
a gain of 93.98 points

Answers

Answer:

a loss of 72.47

Step-by-step explanation:

I got this answer right on my test

Determine if the triangles are congruent. If yes, by which theorem?
no
O yes, SSS
O yes, SAS
O yes, ASA
O yes, AAS
O yes, HL

Answers

yes SAS. the angles are 2 and the sides are marked



Order the sides of each triangle from shortest to longest.

Answers

Answer:

A.

Step-by-step explanation:

the line that's PR is longer than OR

Please help! I need this asap! If you know the answer please help. If you don't thats ok. Just move on. If you have any questions comment, dont answer the question. Thank you!!

Answers

x=12 perimeter=58

There's a step by step in the pictures, I thought it might be easier

New Barinly is going to be KayBae2006

Answers

yes maam !!!!!!!!!!!!!!!!

Please help me due today

Answers

There are 11 cows and 6 chickens.

The screen is 9 feet tall and the string is 15 feet long. If x is the distance, in feet, along the ground from the stake to the screen, what is the value of x ? Enter the value of x in the box.

Answers

Answer:

c

Step-by-step explanation:

(2x - 9) (x + 4) = 0
What the answer

Answers

Answer:

x = 4.5 AND x = -4

Step-by-step explanation:

for the first answer

add 9 to 0 and divide by 2

for the second answer

subtract 4

Answer:

x = 9/2 and x = -4

Step-by-step explanation:

you can set each expression in the parenthesis' equal to zero. this is due to it being multiplication so if one parenthesis equals 0, the answer will be 0

2x - 9 = 0 and x + 4 = 0

starting with 2x-9=0

add 9 to both sides

2x = 9

divide by 2

x = 9/2

then do x + 4 = 0

subtract 4

x = -4

so your two answers are

x = 9/2 and x = -4

Which of the following statements is true of the diagram? ​

Answers

Answer:

option 2

Step-by-step explanation:

QR = 15 ( triangle is a 8- 15- 17 Pythagorean triple )

cosP = [tex]\frac{PR}{PQ}[/tex] = [tex]\frac{8}{17}[/tex] ≠ [tex]\frac{8}{15}[/tex]

tanQ = [tex]\frac{PR}{QR}[/tex] = [tex]\frac{8}{15}[/tex] ≠ [tex]\frac{15}{8}[/tex]

sinP = [tex]\frac{QR}{PQ}[/tex] = [tex]\frac{15}{17}[/tex] ≠ [tex]\frac{8}{17}[/tex]

cosQ = [tex]\frac{QR}{PQ}[/tex] = [tex]\frac{15}{17}[/tex] ← correct statement

Answer:

its the cos q = 15/17

Step-by-step explanation:

cos q = 15 (adjacent) / 17 (hypothenuse)


Please please help please please

Answers

Answer:

75

Step-by-step explanation:

With reference angle 53°

base (b) = 45

hypotenuse (h) = K

Now

cos 53° = b / h

0.6 = 45 / K

K = 45 / 0.6

K = 75

How many years will it take for $20,000 to earn $7,000 in interest if placed in an account that earns 2.09% simple interest?

Answers

Answer:

16.7 years

Step-by-step explanation:

Help!!! il give brainlist​

Answers

Hours || earning
1 || 20
2 || 40
3 ||60
The rate of change is the slope
Slope is 20
If you were to write this as an equation it would basically be y=20x

i dont know how to do geometry like that and i need help on my assignment ​

Answers

Answer:

Step-by-step explanation:  Can you ask your teacher? Or no?

I’m going from left to right on answers, just so you know.
Alternate interior, vertical, alternate exterior, same side interior, same side exterior, same side interior, corresponding.

Consider the rectangle enlargement. Pls answer the three questions I will mark brainliest!!

Answers

Answer:

Perimeter of the original Rectangle is

2(4.5+4.3)=2×8.8= 17.6 mm

Side length of the enlarged rectangle is

[tex] \frac{4.5}{4.3} = \frac{24.3}{x} \\ x = \frac{24.3 \times 4.3}{4.5} \\ \boxed{x = 23.22 \: mm}[/tex]

Perimeter of the enlarged rectangle

2(24.3+23.22)= 2×47.52= 95.04 mm

answers for the 2 boxes please ​

Answers

Answer:

(2, 12)

Step-by-step explanation:

x + 10 = 4x + 4

   - 4           - 4

x + 6 =  4x

- x         - x

6 = 3x

divide 3 on each side

2 = x

then plug 2 in either equation

ei) y = 2 + 10

    y = 12

Translate the phrase twice m increased by 2 is equal to 7 more then m
pls show your work plss
thx
A. m/2 + 2 = 7 + m
B. 2m + 2 = 7 + m
C. 2m + 2 = m + 7
D. 2m * 2 = m + 7

Answers

D       :)

bye sis see you today

I KNOW THIS IS KIND OF ALOT BUT PLEASE HELP
Billy and Tom are out to dinner. Their bill comes to a total of $100. They have a 15% off coupon but tax and tip must also be included. The tax is 6% and is applied before the 20% tip. If Billy and Tom want to split the bill, how much will they each have to pay?

1. How much is their bill after the coupon has been applied?
2. With the coupon applied, what is their new total (including the tax)?
3. With their new total, Billy and Tom can now determine the tip for their server. What is the final total, including the tip?
4. What will Billy and Tom each have to pay to split the bill evenly?

Please answer labeled with numbers! thankyou!

Answers

Answer:

1. $85

2. $90.10

3.$108.12

4.$54.06

Step-by-step explanation:

100-15=85 (15% of 100 is 15)

6 percent of 85 is 5.10. So 85 + 5.10=90.10

20 percent of 90.10 is 18.02. So add that to the total. 90.10+18.02=108.12

Now divide by 2 to get how much they each will pay 108.12/2 = 54.06

Find the volume of a pyramid with a square base, where the side length of the base is
4.9 m and the height of the pyramid is 5.3 m. Round your answer to the nearest
tenth of a cubic meter.

Answers

Answer:

127.253 m^3

Step-by-step explanation:

To find the volume, we start by getting the area of the square base

Mathematically, that will be 4.9^2 m^2

To complete the volume, we multiply the area of the base by the height

= 4.9^2 * 5.3 = 127.253 m^3

Answer:

Step-by-step explanation:

42.4

can someone anyone please help me asap

Answers

the image isn’t loading for me , not sure if it’s only me . but maybe try reuploading?

<33

Answer:

the answer is option : D

Step-by-step explanation:

multiply 9 with the given hrs to find the correct one

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