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Paraphin [41]
3 years ago
10

Find the two positive intergers that satisfy the given requirements. The difference of numbers is 90 and the larger number is th

ree times the smaller number​
Mathematics
1 answer:
sergiy2304 [10]3 years ago
5 0

Answer:

45

135

Step-by-step explanation:

x-y = 90

x = 3y

3y - y = 90

2y = 90

y = 45

x = 3×45 = 135

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If ( f ∘ g)(x) = x2 - 6x + 8 and g(x) = x - 3, what is f(x)?
DochEvi [55]
\bf \begin{cases}
(f\circ g)(x)=x^2-6x+8\\\\
(f\circ g)(x)=f(~~g(x)~~)\\\\
g(x)=x-3\\
\end{cases}
\\\\\\
\textit{now, one probability is }x^2-1
\\\\\\
f(x)=x^2-1\implies f(~~g(x)~~)=(x-3)^2-1
\\\\\\
f(~~g(x)~~)=(x^2-6x+9)-1\implies f(~~g(x)~~)=x^2-6x+8
5 0
3 years ago
Vivi is a drummer for a band. She burns 756 calories while drumming for 3 hours. She burns the same
german

The question you asked uses the concept of division, something that a bit tricky at first but gets easier as you master it!

So first let’s write and equation for your problem:

Let x = the amount of calories she burns each hour.

So we already know that Vivi was drumming for 3 hours, that she burned 756 calories, and that she burned the same amount of calories each hour.

Since she burned 756 calories in total, we know that the equation will have to equal 756:

= 756

We also know that the answer will be 3(hours) times x(the amount of calories), so now we just plug it into the equation:

3x = 756

To find what ‘x’ equals we have to divide both side by 3:

3x/3 = 756/3

Now all we have to do is simplify and you have your answer!

x = 252

And there you have it, Vivi burned 25 calories per hour!

Hope this helps! :)

6 0
3 years ago
The Khan family is constructing a backyard and needs your help with a design that will fit their budget. The backyard is in the
Nonamiya [84]

Answer:

2x1000=2000m

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Hyla has blocks of clay that are each 4 centimeters by 4 centimeters by 2 centimeters. She needs to cover the bottom of a box wi
LenaWriter [7]

The number of blocks of clay needed by Hyla is 30 blocks

<h3>What is area?</h3>

Area is the region bounded by a plane shape.

To calculate the number of blocks of clay needed by Hyla, we find the area of the bottom of the box and divide it by the area of the block.

Formula:

  • n = LWH/lwh............... Equation 1

Where:

  • n = Number of blocks of clay needed by Hyla
  • L = Length of the bottom of the box
  • W = Width of the bottom of the box
  • H = Height of the box
  • l = Length of the bottom of the block
  • w = Width of the block
  • h = Height of the block.

From the question,

Given:

  • L = 24 cm
  • W = 20 cm
  • H = 2 cm
  • l = 4 cm
  • w = 4 cm
  • h = 2cm

Substitute these values into equation 1

  • n = (24×20×2)/(4×4×2)
  • n = 30

Hence, The number of blocks of clay needed by Hyla is 30 blocks

Learn more about area here: brainly.com/question/2217700

#SPJ1

7 0
2 years ago
Please how do we solve this? Fast
Soloha48 [4]

Answer:

option B ................

is the correct answer

6 0
3 years ago
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