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wel
3 years ago
11

Mandy has a piece of ribbon measuring 3.2 meters, and Cheryl has a piece of ribbon measuring 4.7 meters. Select the points on th

is number line that represent the ribbon lengths.
Mathematics
2 answers:
ss7ja [257]3 years ago
3 0

Answer:

15.4

Step-by-step explanation:

Arlecino [84]3 years ago
3 0

Answer:

Step-by-step explanation:

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lynn, jude and anne were given the function f(x)=-2x^2+32, and they were asked to find f(3). lynns answer was 14, judes answer w
AfilCa [17]
The only thing we need to here to find who is correct is evaluate the function f(x)=-2 x^{2} +32 at x=3. To do that we are going to replace x with 3 in the function:
f(x)=-2 x^{2} +32
f(3)=-2 (3)^{2} +32
f(3)=-2 (9) +32
f(3)=-18+32
f(3)=14

We can conclude that Lynn is correct. f(3) is indeed 14.
6 0
3 years ago
8thgrade 9^2 plus 3^2
eduard

Answer:

90

Step-by-step explanation:

9^2 = 81 and 3^2 = 9

81 + 9 = 90

5 0
2 years ago
Read 2 more answers
The area of a pizza is 113 square inches. What would the radius have to be to make that statement true?​
gtnhenbr [62]

Answer:

6 in.

Step-by-step explanation:

A = r^2\pi

R = \sqrt{\frac{A}{\pi } }

R = \sqrt{\frac{113}{\pi } }

R = \sqrt{36}

R = 6

4 0
3 years ago
I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER
polet [3.4K]

Recall: SOHCAHTOA

Sin M = Opp/Hyp

Reference angle = M

Opp = 3√/21

Hyp = 15

Sin M = (3-√21)/15

Sin M = √21/5

Cos M = Adj/Hyp

Reference angle = M

Adj = 6

Hyp = 15

Cos M = 6/15

Cos M = 2/5

Tan M = Opp/Adj

Reference angle = M

Opp = 3√21

Adj = 6

Tan M = (3√21)/6

Tan M = √21/2

:Therefore: Sin M = √21/5

Cos M = 2/5

Tan M = √21/2

5 0
2 years ago
Read 2 more answers
The second digit of a four digit number is "0". If you write the digits of this number backwards, you will get a number 9 times
wolverine [178]

Answer:

1089

Step-by-step explanation:

The original number is A0CD, We have that DC0A = 9 x A0CD.

If A =1, then D = 9 and we have:

9C01 = 9 x 10C9

In order for this expression to be true, the following must also be true:

(C x 9) + 8 must be divisible by 10, which means that C x 9 must end in a 2.

The only multiple of 9 (from 9 to 81) that ends in a 2 is 72.

72 = 9 x 8.

Therefore, C must be 8 and the original number is 1089. Multiply it by 9 to check the answer:

1089 x 9 = 9,081

Therefore, 1089 is correct.

6 0
3 years ago
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