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2 years ago

Help me with this someone, please!

Mathematics

2 answers:

Vitek1552 [10]2 years ago

4 0

Answer:

-45 I think

Step-by-step explanation:

6 × (-7) - 3

-42 - 3

-45

Sorry if this is wrong

garri49 [273]2 years ago

4 0

-45 myyyybhomieeeeeee the guy above u is right

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A system of equations is shown:

Harrizon [31]

Answer:

Step-by-step explanation:

$\left\{\begin{array}{ccc}2x=-y+6&(1)\\-4x+3y=8&(2)\end{array}\right\\\\(1)\\-y+6=2x\qquad\text{subtract 6 from both sides}\\-y=2x-6\qquad\text{change the signs}\\y=6-2x\\\\\text{substitute it to (2):}\\\\(2)\\-4x+3(6-2x)=8\qquad\text{use the distributive property}\\-4x+(3)(6)+(3)(-2x)=8\\-4x+18-6x=8\qquad\text{subtract 18 from both sides}\\-10x=-10\qquad\text{divide both sides by (-10)}\\x=1\\\\\text{put the value of x to (1):}\\\\y=6-2(1)\\y=6-2\\y=4$

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2 years ago

PLZZ HELP MEHH Sara graphs each quadratic equation. Which graph is the narrowest?

WINSTONCH [101]

Answer:

(B) y=2x^2

Step-by-step explanation:

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4 0

3 years ago

17 m<br> 15 m<br> 17 m<br> 11 m<br> 16 m<br> PLEASE HELP ME I WILL THANK YOU LATERR :)))

REY [17]

Answer:

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Step-by-step explanation:

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2 years ago

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IgorC [24]

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Step-by-step explanation: y is, 2 3 4 6 10

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2 years ago

Read 2 more answers

The perimeter of a rectangular field is 314 m.

Ksivusya [100]

Answer:

85m

Step-by-step explanation:

Perimeter of a rectangle = 2(l+b)

b=72m, l=?

perimeter =314m

314=2(l+72)

314/2= l+72

157=l+72

l=157-72

l=85m

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2 years ago