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Llana [10]
4 years ago
14

Round each number to the nearestten, and then add to find anestimated sum.424 + 19 =​

Mathematics
1 answer:
Ierofanga [76]4 years ago
7 0
424 is rounded to 420
19 is rounded to 20
420+19 is equal to 440
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Need these for geometry, please help asap!
Vlad [161]

Answer:

This is simple. The answer is 60 for the first, and the second one I believe is 85

Step-by-step explanation:

Since we are dealing with quadrilaterals, we know that all the inside angles add up to 360. In your isosceles trap. the top two angles are the same, and the bottom two are the same. So, we can do 120*2=240 for the top angles, and then subtract that from 360. 360-240=120. 120/2=60

Hope it helps

5 0
3 years ago
During gym class, Alexis played dodgeball for 34 hour.
IRISSAK [1]

the soultion in 20

Step-by-step explanation:

first get the 34 hour of dogeball and get the 14 hour of basketball subtract 34 - 14 first 4 - 4 = 0 then 30 - 10 = 20

6 0
3 years ago
Read 2 more answers
Pls help me on this question
Setler [38]
What do you need help with?
3 0
4 years ago
Answer all worth 50 points
vredina [299]
<h2>Figure 1</h2>

Answer: 350

Formula: W × H × L

7 × 5 × 10 = 350

<h2>Figure 2</h2>

Answer: 288

Formula: \frac{1}{2}bhl

\frac{1}{2}\times8\times6\times12=288

<h2>Figure 3</h2>

Answer: 14.7

Formula: \frac{1}{2} bhl

\frac{1}{2}\times4.2\times2\times3.5=14.7

<h2>Figure 4</h2>

Answer: 4.29

Formula: W × H × L

2.6 × 1.5 × 1.1 = 4.29

<h2>Figure 5</h2>

Answer: 60

Formula: W × H × L

4 × 3 × 5 = 60

<h2>Figure 6</h2>

Answer: 27.2

Formula: \frac{1}{2} bhl

\frac{1}{2}\times4.1\times2.6\times5.1

<h2>Figure 7</h2>

Answer: 117\frac{223}{256}

Formula: L × W × H

8\frac{7}{8}\times4\frac{1}{4}\times3\frac{1}{8} =\frac{30175}{256}=117\frac{223}{256}

<h2>Figure 8</h2>

Answer: 86.4

Formula: \frac{1}{2} bhl

\frac{1}{2}\times6.1\times4.8\times5.9=86.4

Explanation: To find the volume for a rectangular prism, multiply the Length, Width and Height. To find the volume for a triangular prism, multiply the Base, Height and Length by 1/2.

6 0
3 years ago
If a person bikes 2.4 miles in 10 MINUTES, how far can he bike in 2<br> HOURS?
Assoli18 [71]

Answer:

here's the answer

2.4×10×12=288Miles

8 0
3 years ago
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