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Pie
3 years ago
5

How to use compatible numbers to estimate 21 times 12

Mathematics
1 answer:
Simora [160]3 years ago
5 0
Ok, First step you need to is change 21 to 22 then you estimate 12 which will give you 10 then multiply 22x10 which will give you 220. Hope this helped!
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C is the least that is beause it is .015  which is smaller than 0.15
8 0
2 years ago
Factor 70a + 50. Write your answer as a product with a whole number greater than 1
olga2289 [7]

Answer:

  10(7a +5)

Step-by-step explanation:

The greatest common factor of the two terms is 10. Factoring that out gives ...

  10(7a +5)

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3 0
3 years ago
CAN ANYBODY HELP ME OUT
bija089 [108]

Answer:

Correct option is

b. If two sides and one included angle are equal in triangles PQS and PRS, then their corresponding sides are also equal.

Step-by-step explanation:

Here, we are given the line RQ, which is divided in two equal parts by a line PS which is perpendicular to RQ.

The foot S of PS is on the line RQ.

First of all, let us do a construction here.

Join the point R with P and P with Q.

Please refer to the attached image.

Now, let us consider the triangles  PQS and PRS:

  • Side QS = RS (as given)
  • \angle PSR = \angle PSQ = 90^\circ
  • Side PS = PS (Common side in both the triangles)

Now, Two sides and the angle included between the two triangles are equal.

So by SAS congruence we can say that \triangle PRS \cong \triangle PQS

Therefore, the corresponding sides will also be equal.

RP = QP

RP is the distance between R and P.

QP is the distance between Q and P.

Hence, to prove that P is equidistant from R and Q, we have proved that:

b. If two sides and one included angle are equal in triangles PQS and PRS, then their corresponding sides are also equal.

7 0
3 years ago
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stepladder [879]
Answer:
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Explanation:
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lora16 [44]

Answer:

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Step-by-step explanation:

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3 years ago
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