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Dima020 [189]
3 years ago
8

Factor 60 y - 90 - 20 x to identify the equivalent expressions​

Mathematics
2 answers:
stiv31 [10]3 years ago
6 0

Find the Greatest Common Factor (GCF)

GCF = 10

Factor out the GCF (So, write the GCF first, and then in parenthesis, divide each term by the GCF.)

10(60y/10 - 90/10 + -20x/10)

Simplify each term in parenthesis

<u>10(6y - 9 - 2x) </u>

masya89 [10]3 years ago
6 0

10(6y−9−2x) and 5(12y−18−4x)

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Help me with this math problem please
mrs_skeptik [129]

Answer:

y=8

RS=77, ST=31

Step-by-step explanation:

Note that the entire segment RT is the combined lengths of RS and ST. So:

RT=RS+ST

We know that RT is 108, RS is (9y+5), and ST is (3y+7). Substitute:

108=(9y+5)+(3y+7)

On the right, combine like terms:

108=(9y+3y)+(5+7)

Add:

108=12y+12

Subtract 12 from both sides. The right cancels:

96=12y

Divide both sides by 12:

y=8

So, the value of y is 8.

To find RS and ST, substitute 8 for y. So:

RS=9y+5

Substitute 8 for y:

RS=9(8)+5

Multiply:

RS=72+5

Add:

RS=77

Do the same for ST:

ST=3y+7

Substitute 8 for y:

ST=3(8)+7

Multiply:

ST=24+7

Add:

ST=31

5 0
4 years ago
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What is 66.98 rounded to the nearest tenth
astraxan [27]
The answer to this is 67.00
6 0
4 years ago
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Determine the next step for solving the quadratic equation by completing the square.
Lady_Fox [76]

Answer:

-7/2 = -2(x-1/2)^2

Step-by-step explanation:

0 = –2x^2 + 2x + 3

Subtract 3 from each side

-3 = –2x^2 + 2x

Factor out the -2

-3 =- 2(x^2 -x)

Take the coefficient of x and divide by 2 and square it

-1 /2 = -1/2 ^2 = 1/4

Add it to each side  Remember the -2 on the outside so we need to multiply it by -2  

-2 *1/4 =  -1/2

-3 -1/2= -2(x^2 -x +1/4)

-7/2 = -2(x^2 -x +1/4)

-7/2 = -2(x-1/2)^2

6 0
4 years ago
Read 2 more answers
A store has apples on sale for $3.00 for 2 pounds. If an apple is approximately 5 ounces, how many apples can you buy for $18.00
Temka [501]

Answer:

19

Step-by-step explanation:

3 0
3 years ago
10 POINTS SOMEONE PLEASEE HELP
d1i1m1o1n [39]

Answer:

x = 18.5

∠1 = 76°

∠2 = 104°

∠3 = 76°

∠4 = 104°

∠5 = 76°

∠6 = 104°

Step-by-step explanation:

4x + 2 + 6x - 7 = 180

4x + 6x = 180 - 2 + 7

10x = 185

x = 185/10

x = 18.5

∠1 = 76°

∠2 = 104°

∠3 = 76°

∠4 = 104°

∠5 = 76°

∠6 = 104°

5 0
4 years ago
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