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Luden [163]
4 years ago
9

Choose the correct proportions.

Mathematics
2 answers:
Paha777 [63]4 years ago
8 0

Step-by-step explanation:

c) 4:10= 4/10 = 2/5 = 2:5

AlladinOne [14]4 years ago
4 0

Answer:

C- 2:5 = 4/10

Step-by-step explanation:

Diving 4 and 10 to it's lowest form gives a clearer sight of the proportion.

4 / 10........ Divide the numerator and denominator by 2.

We have...

4/2 = 2

10 / 2 = 5

Hence,

4/10 = 2 / 5

Math is fun

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You bought carpet for a room that measures 18 feet by 14 feet Carpet costs $4.00 per square yard. How much did you pay?
Ivan

Answer:

$112

Step-by-step explanation:

18 × 14 = 252

252 ft = 84 yrds

84 yrds = 28 sq yrds

4 × 28 = 112

5 0
3 years ago
Read 2 more answers
A square has an area of 49 sq in. How do you find the perimeter?
lutik1710 [3]

Answer:

The perimeter is 28 in.

Step-by-step explanation:

We know that the area is 49 square inches and that the area of a square equals length times width. Also, all sides of a square are equal. 7 times 7 equals 49, so the length and width are both 7 inches. The perimeter is equal to all the sides added together. There are four sides in a square, and we know that each side is 7 inches. Therefore, we can add 7+7+7+7 (or multiply 7 times 4) to get the square’s perimeter: 28 inches.

5 0
3 years ago
Last one!! I need the steps please! Will mark brainliest!
hoa [83]

Answer:

h(t)=-6(t-2)^2+24

Step-by-step explanation:

Given function:

h(t)=-6t^2+24t

where:

  • h = height (in feet)
  • t = times (in seconds)

Rewrite in the form h(t)=a(t-h)^2+k

The quickest way to do this is to expand h(t)=a(t-h)^2+k and compare coefficients with the original function.

\begin{aligned}h(t)& =a(t-h)^2+k\\ & = at^2-2aht+ah^2+k\end{aligned}

Comparing coefficients with h(t)=-6t^2+24t

\begin{aligned}\implies at^2& =-6t^2\\ a &=-6\end{aligned}

\begin{aligned}\implies -2aht & =24t\\ -2(-6)ht& =24t\\ 12ht & = 24t\\ 12h & = 24\\ h & = 2\end{aligned}

\begin{aligned}\implies ah^2+k & = 0\\(-6)(2)^2+k &=0\\ -24+k & =0\\ k &=24 \end{aligned}

Therefore, substituting the found values into the equation:

h(t)=-6(t-2)^2+24

6 0
2 years ago
HELP PLEASE!!!!!!!:(
NemiM [27]

Answer:

D

Step-by-step explanation:

\frac{1}{2} = \frac{7}{14} \\

\frac{1}{7}  = \frac{2}{14}

\frac{7}{14}  + \frac{2}{14}  = \frac{9}{14}

5+2=7

7 + \frac{9}{14}  = 7 \frac{9}{14}

3 0
3 years ago
Pls help will give brainliest
vodka [1.7K]
Answer:C
Hope this helps
3 0
3 years ago
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