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kherson [118]
3 years ago
15

Good morning can anybody help me out with this assignment please and thanks! \

Mathematics
1 answer:
postnew [5]3 years ago
4 0

Answer:

Hello im doing the same right now and i need help

Step-by-step explanation:

sorry though but its hard

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The width of a rectangle
Luba_88 [7]

Answer:

Hello! The answer to this problem is Length= 27 and Width= 8

Step-by-step explanation:

2(11+2x) +2x = 70

6x + 22 = 70

6x = 48

x = 8

5 0
3 years ago
Read 2 more answers
José put $1,500 into a savings account. He earns 3% interest every year. How much simple interest will he earn at the end of 3 y
stiv31 [10]

He would have a total of: $1639.09

In intrest alone he would've made 1639.09

Step-by-step explanation:

3%= 0.03

  • The first thing you do is multiply $1,500 by the %3 (0.03).

  • When your done multiplying, you should get 45.

  • Add 45 to 1500

  • Now you have 1545

  • Then you repeat the process over, two more times. However the numbers will change.

7 0
3 years ago
Use the figure below to find the measure of ∠1.
Dmitrij [34]

Answer:

I think it 85 because it looks the same as 4

Step-by-step explanation:

4 0
3 years ago
A treatment is administered to a sample of n = 9 individuals selected from a population with a mean of µ = 80 and a standard dev
stepan [7]

Answer:

a) M =82

Step-by-step explanation:

Let´s study this as a Normal distribution.

As we know in a normal distribution the z score is = (X-μ)/(sd/sqrt(n))

where

X = mean for the taken sample = What we want to know in this problem

μ = Total population mean =80

sd= standard deviation= 12

n = sample size=9

So in this case z=( X-80)/(12/sqr(9))= (X-80)/4

also we know that the effect size taken by the machine is 0.5, which is the same as the z-score

so...

0.5 = (X-80)/4 => 0.5*4 = X-80

2+80 = X

X = 82

4 0
4 years ago
Candice is an interior designer, and she is currently trying to change the look of a room. Candice found that the area of a room
german

Answer:

A(x) = 2x^2-22x+144

Step-by-step explanation:

We are given the following in the question:

Area of room =

3x^2 + 2x

Area of rug =

x^2 + 24x - 144

We have to find the area of of the room not covered by the rug.

Area of of the room not covered by the rug =

Area of room - Area of rug

A(x)=(3x^2 + 2x) - ( x^2 + 24x - 144)\\A(x)=3x^2 + 2x-x^2  -24x + 144\\A(x)=(3x^2-x^2)+(2x -24x) + 144\\A(x)=2x^2-22x+144

is the required expression for the area of floor not covered by the rug.

7 0
3 years ago
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