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Luba_88 [7]
3 years ago
13

Which expressions are equivalent to

Mathematics
1 answer:
natita [175]3 years ago
5 0

Answer:

C

Step-by-step explanation:

-30(3+2w= the other way around

c the better way around!

Thank you make me brainliest please!

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A transformation is applied to the smaller triangle, A, to
Sergio039 [100]

Answer:  dilation

Step-by-step explanation:

8 0
3 years ago
Dany scored 93 in physics, 88 in mathematics, and a score in chemistry that is double his score in geography. The average score
Leno4ka [110]

Answer:

90

Step-by-step explanation:

Let x be Dany's score in geography. His score in chemistry is double his score in geography and it is equal to

2 x

The average of all four scores is 79. Hence

(93 + 88 + x + 2 x) / 4 = 79

Multiply both sides of the equation by 4

4×(93 + 88 + x + 2 x) / 4 = 4×79

Simplify

93 + 88 + x + 2 x = 316

Group like terms

3 x + 181 = 316

Solve for x

3 x = 135

3 x / 3 = 135 / 3

x = 45

score in geography = x = 45

score in chemistry = 2 x = 2 × 45 = 90

Hope it helped u if yes mark me BRAINLIEST!

Tysm!

6 0
2 years ago
Read 2 more answers
Question 1/8
just olya [345]

Answer:

discount = 290 × <u>1</u>

4

= 72.50

new price is

290.00

<u>72.50</u> -

217.50

5 0
3 years ago
8. A music store sells used CDs for $9. They buy used CDs for $4. You have $50 to
Marat540 [252]

Answer: 9x+4=50

Step-by-step explanation:

In this case, we're looking at how many you can buy, not how many CD's you own.

7 0
3 years ago
What is the simplified form of each expression?<br><br> 7x^–8 × 6x^3
klio [65]
7*6*x^-8*x^3     
42x^-8+3                    (bases same powers add)
42x^-5
1/42x^5
<span>so the simplified </span>form<span> of 7x^-8*6x^3 is=1/42x^5</span>
7 0
3 years ago
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