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Olenka [21]
3 years ago
10

The Spotlight on Teaching and Learning at the beginning of this chapter discusses the emphasis in the Common Core State Standard

s for Mathematics on learning about measurement by measuring real objects. Look back at this page and respond to the first “Think About This” question by giving a specific description of an activity that would involve second-graders in learning to measure length and selecting an appropriate tool to use.
Mathematics
1 answer:
ivanzaharov [21]3 years ago
3 0
I don't know this question
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Solve the formula for the perimeter of a rectangle, P = 21 + 2w for l
Phoenix [80]

2(w+l)=21+2w

w+l=10.5+w

So l = 10.5

7 0
3 years ago
What is the value of x?<br><br> Enter your answer in the box.<br> units<br><br> ___Units
kotykmax [81]

The value of x is 28 .

<h3>What is a Triangle ?</h3>

A triangle is a polygon with three sides , three angles and three vertices.

According to the Proportionality Theorem

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As in the given figure DC is parallel to AP ,

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42:15 = x: 10

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x = 42 * 10 /15

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7 0
2 years ago
Ratio in simplest form 8 pounds to 10 pounds
FinnZ [79.3K]

Answer:

4:5

Step-by-step explanation:

You can divide two to each number.

8 divided by 2 equals 4.

10 divided by 2 equals 5.

6 0
4 years ago
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Find solution of the equation 3sin^2x-7sinx+2=0
Goshia [24]
Simplife3^2 to 9
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add 5 to both sides 9x=5
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x=5/9
7 0
4 years ago
Please help I just can’t find the answer
Talja [164]

Answer:

3

Step-by-step explanation:

4 0
3 years ago
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