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Vesna [10]
3 years ago
11

Help pls and no links

Mathematics
2 answers:
11111nata11111 [884]3 years ago
7 0

Answer:

option c is correct

Step-by-step explanation:

mark me as brainlist

likoan [24]3 years ago
6 0

Answer:

D).

Step-by-step explanation:

You might be interested in
Table: Favorite Subject: Math 6, Science 3, English 4, History 7.
Klio2033 [76]

This is a ratio problem. First, we need to add the number of students polled.

7 + 4 + 3 + 6 = 20

Next, look at how many out of 20 students selected Science.

3 out of 20.

Say it this way:

3 is to 20 as ? is to 400.

Express it this way:

3/20 = x/400

Cross multiply to eliminate the denominators.

3 x 400 = 20 x  Now solve for x.

1200 = 20 x

x = 60

Check it!

Does 60/400 reduce to 3/20? Yes!

60 students are predicted to select science out of 400

4 0
3 years ago
Read 2 more answers
No idea how to do this equation. Its applying system's of linear equations.
icang [17]
What you want to do is take one of the 2 equations and isolate one variable. you will then use the value that you find for the variable and plug it back into the other equation. here is how:

This would be easiest to do with the second equation in the set since the x is not being multiplied by anything. So lets isolate the x in the second equation.

add 0.9y to both sides and you get:

x=4.5+0.9y

we now know what x is equal to in terms of y. so lets replace the x in the first equation with the new value. You get:

1.5(4.5+0.9y)-1.9y=-29

Now just solve for y:
6.75+1.35y-1.9y=-29
1.35y-1.9y=-35.75
-0.55y=-35.75
y=65

so now you know that y=65 so plug 65 in as y in the second equation to find x

x-0.9*65=4.5

Now simply solve for x

x-(-58.5)=4.5
x+58.5=4.5
x=-54

Hope this helped! :)



3 0
3 years ago
The student council publish the results of the survey about the new school mascot. Jesse spilled water on the paper but he knows
Sever21 [200]
14 people  chose the tiger  and this equals 100-72 = 28%

So the percentage who shose the eag;e and the polar bear = 17/14 * 28  = 34%

So 100 - 28 - 34 = 38% chose the Viking  This equals  38 * 0.5 =19 students.<---- Answer

Total number of students =  100 * 0.5 = 50. answer
6 0
3 years ago
Read 2 more answers
N-
pogonyaev

Answer:

The answer is (0, 2)

Step-by-step explanation:

Ive also had this question and viewed iver it and said it was right this was some time ago but im glad to help :)

6 0
3 years ago
The width of a rectangle is 22 inches and the perimeter is at least 165 inches. what inequality could be used to find the minimu
Lera25 [3.4K]
The answer is D.

We know that a rectangle has two widths that are equal and two lengths that are equal. One width is 22, so the other one is also 22.

If you wanted to find the lengths, you would add both widths together (same as multiplying a width by two) and add that to the two lengths equaled to the perimeter.

So, 22 * 2 + 2x = perimeter of rectangle. We added all four sides together.

We know that the perimeter is at least 165, so 22 * 2 + 2x = 165. Here's the twist. They want the most minimum possible length. So, what answer choice gives you 165 or less for the most minimum or smallest length while still getting to 165?
That is D.
22 * 2 + 2x < = 165.
Hope this helped!
6 0
3 years ago
Read 2 more answers
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