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3 years ago

PLEASE NEED CORRECT ANSWERS NOW1 WILL MARK BRAINLIEST!!!!!!!!!!!

Mathematics

2 answers:

Natasha_Volkova [10]3 years ago

7 0

Answer:

7.7ft

Step-by-step explanation:

nydimaria [60]3 years ago

3 0

Answer:

6.4

Step-by-step explanation:

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Genrish500 [490]

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4 years ago

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nadya68 [22]

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3 years ago

Jane estimates this product by computing 7 x 800.

nirvana33 [79]

Answer:

Bill is closer.

Step-by-step explanation:

Bill: 7 * 900 = 6,300

Jane: 7 * 800 = 5,600

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4 years ago

Question:

inysia [295]

Answer:

They do not need to replace a full gallon, only 1 quart and they will have enough for the next three days. no extra. And they will have 4.0 gal. To start with.

Step-by-step explanation:

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3 years ago

Find x and y using subsitution<br><br> -3x + y = 6<br> 5x + 2y =23

vazorg [7]

$\left\{\begin{array}{ccc}-3x+y=6&|\text{add 3x to both sides}\\5x+2y=23\end{array}\right\\\\\left\{\begin{array}{ccc}y=3x+6\\5x+2y=23\end{array}\right\\\\\text{substitute}\ y=3x+6\ \text{to the second equation}\\\\5x+2(3x+6)=23\qquad|\text{use distributive property}\\\\5x+(2)(3x)+(2)(6)=23\\\\5x+6x+12=23\qquad|\text{subtract 12 from both sides}\\\\11x=11\qquad|\text{divide both sides by 11}\\\\\boxed{x=1}\\\\\text{subtract the value of x to the first equation}\\\\y=3(1)+6\\\\y=3+6\\\\\boxed{y=9}$

<h3>Answer: x = 1 and y = 9 → (1, 9).</h3>

4 0

3 years ago

Read 2 more answers