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cluponka [151]
3 years ago
15

Put in standard form: (2r2+1)-(2r3+6r+1)

Mathematics
1 answer:
Sonbull [250]3 years ago
3 0

Answer:

Step-by-step explanation:

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HIGH POINTS AND BRIANLIEST TO THE CORRECT ANSWERS PLEASE!!!!!<br><br>Look at the picture
Anna [14]

Answer:       ALL ANSWERS BELOW

1.) 1:4 ratio

2.) 100

3.) 125

4.) perimeter multiplied by 4 for every 1 toothpick as side length. + Side length always smaller than perimeter.

Plz award Brainlist and i hope this helps!! :)

3 0
3 years ago
A box of mixed nuts packs weighs 16 1/2 ounces. Each mixed nuts pack weighs 1 3/8 ounces. How many mixed nuts snack packs are in
vfiekz [6]

12 mixed nuts packs

Explanation:

The box weighs 16 1/2 ounces

1 mixed nut = 1 3/8 ounces

let the number of fruit mixed nut in the box = y

1 mixed nut = 11/8 ounces

y = 33/2 ounces

cross multiply:

\begin{gathered} 1(\frac{33}{2})\text{ = y(}\frac{\text{11}}{8}) \\ \frac{33}{2}=\frac{11y}{8} \end{gathered}\begin{gathered} 2(11y)\text{ = 33(8)} \\ 22y\text{ = 33(8)} \\ y\text{ = }\frac{33(8)}{22} \end{gathered}\begin{gathered} y\text{ = 264/22} \\ y\text{ = 12 mixed nuts} \end{gathered}

3 0
1 year ago
Help! The measure of the exterior angle of the triangle is???
just olya [345]

Answer:

92°

Step-by-step explanation:

The exterior angle is equal to the sum of the 2 opposite interior angles, that is

2x - 2 = x + 45 ( subtract x from both sides )

x - 2 = 45 ( add 2 to both sides )

x = 47

Then

exterior angle = 2x - 2 = 2(47) - 2 = 94 - 2 = 92°

5 0
3 years ago
At the beginning of six grade Kevin was 4’10” tall. at the end of ninth-grade he was 5’9” tall. what was the percentage of incre
tankabanditka [31]

Answer:

<u>Kevin's height increased 19.05%</u>

Step-by-step explanation:

Height of Kevin at the beginning of sixth grade = 4’10”

Height of Kevin at the end of ninth grade = 5’9”

What was the percentage of increase in Kevin height?

For answering this question, we should convert Kevin's heights to decimal number, this way:

1 feet = 12 inches

4’10” = 4 10/12 = 4.83

5’9” = 5 9/12 = 5.75

Now, let's use the Direct Rule of Three:

Height     Percentage

4.83              100

5.75                 x

***********************************

4.83x = 5.75 * 100

4.83x = 575

x = 575/4.83

x = 119.05

119.05 - 100 = 19.05

<u>Kevin's height increased 19.05%</u>

8 0
3 years ago
Which statement describes the relationship between kilometers and meters.
Verdich [7]
Statement B describes the relationship
3 0
3 years ago
Read 2 more answers
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