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nekit [7.7K]
3 years ago
10

3x + y = -21 x+y=-5 solving systems of equations by substitution

Mathematics
1 answer:
katen-ka-za [31]3 years ago
7 0
First : x=-5-y and then put x in the phrase above
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Please help me this is kinda hard​
yuradex [85]

All sides of a square/cube are the same. Since this is a cube, you'll find the volume by "cubing" (get it?) 4.4m.

4.4³ or 4.4 * 4.4 * 4.4 = 85.184m³ but you can round that to 85m³

I hope that helps!

7 0
3 years ago
On a piece of paper, graph f(x)=16x0.5^x. Then determine which answer choice matches the graph you drew.
Reil [10]

9514 1404 393

Answer:

  A

Step-by-step explanation:

You can use x=0 and x=1 to find points that must be on the graph.

  f(0) = 16·0.5^0 = 16

  f(1) = 16·0.5^1 = 8

Only graph A matches these points.

7 0
3 years ago
Determine the value of y when x=15 if y=6 when x =30
Vladimir79 [104]
6+9=15
y+9=x
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6 0
3 years ago
A bucket holds b liters of water. But a jar holds 8 fewer liters than the bucket. How many times can the bucket hold than the ja
kykrilka [37]

Answer:

b / (b - 8)

Step-by-step explanation:

Given that :

Litres of water held by bucket = b

Jar holds 8 litres fewer than bucket; hence, litres held by jar = b - 8

The number of times bucket can hold than jar is :

Litres held by bucket / litres held by jar

b / (b - 8)

8 0
3 years ago
What is the complement and the supplement of 52 degrees
motikmotik
Complimentary angles add up to 90 degrees and supplementary angles add up to 180 degrees...

Complementary angle = 90-52= 38°

Supplementary angle = 180-52= 128°
4 0
3 years ago
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