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8_murik_8 [283]
4 years ago
6

How to simplify -3 (4×-5y-5×)

Mathematics
2 answers:
Harlamova29_29 [7]4 years ago
8 0
−3(4x−5y−5x)=
(−3)(4x+−5y+−5x)=
(−3)(4x)+(−3)(−5y)+(−3)(−5x)=
−12x+15y+15=
3x+15y
VMariaS [17]4 years ago
6 0
Distribute -3 to the rest of the numbers by multiplying them together. That’s all you need to do you don’t have to solve
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A farmer wants to plant peas and carrots on no more than 200 acres of his farm. If x represents the number of acres of peas and
AfilCa [17]

Answer:

Option D.(60, 135)

Step-by-step explanation:

Let

x -----> the number of acres of peas

y ----> the number of acres of carrots

we know that

The inequality that represent the problem is equal to

x+y\leq 200

so

<em>Verify each case</em>

case A) (-50,160)

substitute the value of x and the value of y in the inequality and then compare the result

-50+160\leq 200

110\leq 200 ----> is true

The point is a solution for the inequality, but is not a viable solution because the number of acres can not be a negative number

case B) (80,160)

substitute the value of x and the value of y in the inequality and then compare the result

80+160\leq 200

240\leq 200 ----> is not true

therefore

The point is not a solution

case C) (75,-200)

substitute the value of x and the value of y in the inequality and then compare the result

75-200\leq 200

-125\leq 200 ----> is true

The point is a solution for the inequality, but is not a viable solution because the number of acres can not be a negative number

case D) (60,135)

substitute the value of x and the value of y in the inequality and then compare the result

60+135\leq 200

195\leq 200 ----> is true

therefore

The point is a viable solution

5 0
3 years ago
Read 2 more answers
A fifteen passenger van is rented for a family vacation. The van rental is $60.00 per day, plus a $145.00 insurance fee. How man
baherus [9]

ok the answer I think is 7 times because .145x7=565 and if you added another 60 you will be over the budget. I don't know an inequality.

Hope this helps plz give Brainliest plz I need it bad have a nice day.

3 0
3 years ago
7th grade math help me pleaseee
Tomtit [17]

Answer:

14x + 6

step by step explanation:

7 0
3 years ago
A convex polygon has 4 sides what is the sum of the measures of its interior angles
zhenek [66]

Answer:

If a convex polygon has n sides, then its interior angle sum is given by the following equation: S = ( n −2) × 180°.

Step-by-step explanation:

Where S is the angle-sum, and n is the number of sides. (2n-4) x 90 where n is the number of sides.

4 0
3 years ago
HELP ME
Eduardwww [97]

Answer:

credit card

Step-by-step explanation:

a credit card you pay every month not when you use it in the store

7 0
4 years ago
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