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iragen [17]
3 years ago
5

Drag steps of the solution into order to solve for x in the equation 5(x – 7) = 50.

Mathematics
1 answer:
ch4aika [34]3 years ago
8 0

Answer:

x=17

Step-by-step explanation:

5x-35=50

+35   +35

_________

5x=85

÷5   ÷5

__________-

x=17

Hope this helps :D

And if u could pls give me brainly tysm if u do!!

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Lizzie has 30 coins that total $4.80. All of her coins are dimes, D, and quarters, Q. Algebraically determine how many of each t
Gnom [1K]

Lizzie has 18 dimes and 12 quarters

<em><u>Solution:</u></em>

Let "d" be the number of dimes

Let "q" be the number of quarters

We know that,

value of 1 dime = $ 0.10

value of 1 quarter = $ 0.25

Given that LIzzie has 30 coins

number of dimes + number of quarters = 30

d + q = 30 ---- eqn 1

Also given that the coins total $ 4.80

number of dimes x  value of 1 dime + number of quarters x  value of 1 quarter = 4.80

d \times 0.10 + q \times 0.25 = 4.80

0.1d + 0.25q = 4.8 ------ eqn 2

Let us solve eqn 1 and eqn 2

From eqn 1,

d = 30 - q ---- eqn 3

Substitute eqn 3 in eqn 2

0.1(30 - q) + 0.25q = 4.8

3 - 0.1q + 0.25q = 4.8

0.15q = 1.8

<h3>q = 12</h3>

From eqn 3,

d = 30 - 12

<h3>d = 18</h3>

Thus she has 18 dimes and 12 quarters

6 0
3 years ago
Find the approximate value of the circumference of a circle with the given radius. Use pi = 3.14. Round your results to one more
svetlana [45]
C = 2<span>πr
C = 2 * 3.14 * 5.1
C = 32.028

You can round that to A. 32.03, because if the decimal after 2 is greater than it, then you round it to the number which is higher than it, which is 3. </span>
4 0
3 years ago
Read 2 more answers
Solve for the x in the diagram below. 50°, 2x°, and 150°
lapo4ka [179]

Answer:

50 degrees.

Step-by-step explanation:

The angle where 2x + 50 is congruent to the 150 degree angle because they are vertical angles.

2x + 50 = 150

2x = 100

x = 50.

Hope this helps!

4 0
3 years ago
Read 2 more answers
Pls help urgent
tangare [24]
It's just asking for the gradient basically
150/3 = 50
Or technically -50 because it's decreasing
7 0
3 years ago
Diego has 90 song on his playlist If 40% of them are hip-hop how many songs Are hip-hop
abruzzese [7]

Answer:

225

Step-by-step explanation:

i used a calculater and did 90 divided by .40

8 0
3 years ago
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