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lorasvet [3.4K]
2 years ago
10

HELP MEEE TO GET BRAINLYEST

Mathematics
1 answer:
Genrish500 [490]2 years ago
8 0
Answer
3x² yz + (xy³ + 4y⁴ z - 2x² z + 5y² z²)
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What is 42 equals 7k
elixir [45]

Answer:

k=6

Step-by-step explanation:

42 ÷ 7 = 6

7 0
3 years ago
Leo has a lock box with a volume of 312 cubic inches. The box is 4 inches high and 13 inches long. What is the width of the box?
natima [27]

Answer:

6in

Step-by-step explanation:

Given data

Volume of the lockbox= 312 cubic inches

Height= 4in

Length= 13in

Width= ???

The expression for the volume of box is

V= L*W*H

substitute

312=13*W*4

312=52W

W= 312/52

W=6 in

Hence the width is 6in

6 0
3 years ago
How do you solve this equation? -5/4+(-7/9)= Thanks
Klio2033 [76]

Answer:

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Step-by-step explanation:

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3 years ago
Alex swims 20 minutes per day for exercise. The total
sveticcg [70]

Answer:

e total number of minutes, m.

Step-by-step explanation:

The dependent variable is the variable in which the variable cannot stand by itself.

In this situation, the total number of minutes, m, equal 20 times the number of d.

m = 20d

d, is a variable which can be multiplied which states that it has a value, no matter what. On the other hand, m, requires d, to be there in order to have a value.

The answer is, m, the total number of minutes.

Step-by-step explanation:

5 0
3 years ago
Which equation has a y intercept of 2 and a slope of 1/2?
jek_recluse [69]
Y = mx + b where m = slope and b is y intercept

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y = 1/2 x + 2

answer
</span><span>B.y = 1/2 x + 2</span>
8 0
3 years ago
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