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Roman55 [17]
2 years ago
15

What equation is a proportion?

Mathematics
1 answer:
lisabon 2012 [21]2 years ago
7 0

Answer:

c. 5/8= 20/32

Step-by-step explanation:

because 5*4=20 and 8*4=32

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What value of x is in the solution set of 4x - 123 16 + 8x?
Monica [59]

Answer:

the value of x is in the solution set of 4x-12<16=8x

Step-by-step explanation:

multiply the 4x take away from 12= 8x

4 0
3 years ago
Chips Ahoy wants to perform a study to determine the number of chocolate chips in their cookies. To that end, they collected a s
Dahasolnce [82]
The formula for the confidence interval is given by

Sample mean + z*[σ/√n], and
Sample mean - z*[σ/√n]

We have:
Sample mean = 23.95
n = 40 
σ = 2.55
z* for 99% confidence = 2.58

Substitute these values into the formula, we have

23.95 + (2.58)(2.55÷√40) = 24.99
23.95 - (2.58)(2.55÷√40) = 22.91

So the lower interval is 22.91 and the highest interval is 24.99
5 0
3 years ago
A turtle is on a rock that is 1.1 feet above sea level. The turtle dives under water. The turtle's total change in altitude duri
ss7ja [257]

Answer:

1.1-5.4=4.3

Step-by-step explanation:

because the total is 5.4 and the turtle was 1.1 up so subtract to see how much the turtle sank to the Bottom

6 0
2 years ago
Find the value of x in the triangle (not drawn to scale.)
AlekseyPX

Your answer would be 29

Why?

Because that is a right angle. They always have to be 90° so 90-61=29

6 0
3 years ago
5,873
Tresset [83]

Answer:

1)5873 x 4=23492

2)5000 x 4=20000

3)800 x 4=3200

4)70 x 4=280

5)3 x 4=12

Step-by-step explanation:

4 0
2 years ago
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