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3 years ago

PLEASE help me. I'm stuck. Don't put anything random. I'm behind on my work

Mathematics

2 answers:

AleksAgata [21]3 years ago

8 0

Answer:

for the first one it is 7.2 i think

Step-by-step explanation:

sleet_krkn [62]3 years ago

4 0

Answer:

the photo isnt clear enough

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Which factor do 64x^2+48x+9 and 64x^2 - 9 have in common?

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(8x +3) (8x-3)
share the same terms

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3 years ago

If x° – 7x2 + kx + 15 is exactly divisible by (x – 3), then find the value of k.

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Answer:

k=4

Step-by-step explanation:

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3 years ago

2.Each purse contains 8 coins. Find a rule to give the total number of coins.

Masja [62]

If we have to find the total number of coins then we can use the following rule:

If Each Purse Contains 8coins ,then we can find total number of coins by multiplying 8 to the number of total purse

Thus,

︎⠀⠀ ⠀⠀ ⠀⠀ ⠀︎⠀⠀ ⠀⠀ ⠀8×Total Number of Purse.

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2 years ago

After getting 5 new rocks, George gave half of his rock collection to Susan. If George gave Susan 36 rocks, which equation could

White raven [17]

Answer:

1/2 (x+5) = 36 should be the equation that is used to determine how many rocks George started with.

Step-by-step explanation:

Let 'x' be the number of rocks George had.

As George gave, after getting 5 new rocks, half of his rock collection to Susan which is = 36 rocks

It means after getting 5 new rocks George's total rocks = 72

Given that he gave half collection to Susan = 36

Thus, before inducting 5 new rocks Georg's total rocks were = 67

Thus,

1/2 (x+5) = 36 should be the correct equation.

solving

1/2 (x+5) = 36

Multiplying both sides by 2

1/2 (x+5) × 2 = 36 × 2

x+5 = 72

x = 72 - 5

x = 67

Thus, before getting 5 new rocks, the number of rocks George had = 67

Therefore,

1/2 (x+5) = 36 should be the equation that is used to determine how many rocks George started with.

7 0

3 years ago

Read 2 more answers

The ratio of boys to girls is 4 to 7. If there are 32 boys, then how many girls?

netineya [11]

Answer:

There are 56 girls

Step-by-step explanation:

32/4 =8

7 x 8= 56

3 0

3 years ago

Read 2 more answers