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Alex787 [66]
3 years ago
9

Solve the proportion. PLEASE HELP!!

Mathematics
1 answer:
Rufina [12.5K]3 years ago
8 0

The correct answer is A, 2. This is because as you look at the second fraction, 60 is half of 120. Therefore, mimic the second fraction into the first and take half of the denominator from the first fraction. Half of 4 is 2, and therefore the answer is A, 2. It’s essentially cross multiplying by using proportion.

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Can you help me please?
Fofino [41]

Answer: n=4,-4

Hope this helped

5 0
1 year ago
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Anna works as a painter. She charges S130 for paint supplies and $25 for each hour, h, she
Misha Larkins [42]

Answer:

$25(h) + $130

Step-by-step explanation:

8 0
1 year ago
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Identify the type of observational study​ (cross-sectional, retrospective, or​ prospective) described below. A research company
shepuryov [24]

Answer:

Cross Sectional

Step-by-step explanation:

A cross sectional is one in which an association is developed between a risk factor or an outcome.

In the given question the device is used to record the viewing habits of about 2500 ​households, and the data collected today will be used to determine  the proportion of households tuned to a particular news program. There will be risk factor in today's research with the future developed program which will the outcome.

For example there are 20 students in my class who cannot write. So I develop a program to help them write. But the next year there may not be any student who would require such help.So there's a risk factor associated with the outcome.

Cross sectional results are recorded in a two ways table showing do's and don'ts.

7 0
2 years ago
Help me plssssssssssssssssssssssssssssss
Naddika [18.5K]

Answer: See explanation (btw, the answer is always in bold letters)

Step-by-step explanation:

1.) 1 gallon for $1.99

1/2 gallon for $0.98

1 gallon would be 0.98 × 2 = <em>1.96</em>

2 gallons for $3.98

1 gallon would be 3.98 ÷ 2 = 1.99

2.) 621 ÷ 4 = 155.25

He pays $155.25 each payment!

3.) V = s³

s = 3

V = 3³

3 × 3 × 3 = 27

V = 27 m³

4.) This is a rectangle; the area of a rectangle is l × b.

L = 6.9

l × b = a

6.9b = 28.29

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b = 4.1

The missing length is 4.1 m

5.) False

5 0
3 years ago
Which ordered pair is a solution of the equation
andrew11 [14]
(0,-7)
-7=11(0)+4
-7=0+4
-7 is not 4 -----not a solution

(-1,-7)
-7=11(-1)+4
-7=-11+4
-7=-7 ----solution

(1,-7)
-7=11(1)+4
-7=11+4
-7=15
-7 is not 15 ----not a solution

(2,26)
26=11(2)+4
26=22+4
26=26 ----soltion

(-1, -7) & (2, 26) are solutions to the equation
4 0
3 years ago
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