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mr Goodwill [35]
3 years ago
14

What is 8,236 rounded by tenths?

Mathematics
2 answers:
rusak2 [61]3 years ago
8 0

I believe the answer is 8.2

Elanso [62]3 years ago
4 0

Answer:8240

Step-by-step explanation:

Remember, we did not necessarily round up or down, but to the ten that is nearest to 8236.

First, 8236 rounded to the nearest ten is:

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LMN is a right-angle triangle. Angle NLM=90. PQ is parallel to LM. The area of triangle PNQ is 8cm^2. The area of triangle LPQ i
likoan [24]

Answer:

The area of LQM is 48cm^2

Step-by-step explanation:

Given

Area of PNQ = 8

Area of LPQ = 16

See attachment for triangles

The area of PNQ is calculated as:

Area = \frac{1}{2} * PQ * PN

Substitute 8 for Area

8 = \frac{1}{2} * PQ * PN

PQ * PN = 16

The area of LPQ is calculated as:

Area = \frac{1}{2} * PQ * LP

Substitute 16 for Area

16= \frac{1}{2} * PQ * LP

From the attachment:

PN + LP =LN

Make LP the subject

LP = LN -PN

So:

16= \frac{1}{2} * PQ * (LN -PN)

We have:

16= \frac{1}{2} * PQ * (LN -PN) and PQ * PN = 16

Equate both expressions:

\frac{1}{2} * PQ *(LN - PN) = PQ * PN

Divide both sides by PQ

\frac{1}{2} (LN - PN) = PN

Multiply both sides by 2

LN - PN = 2PN

LN= 3PN

Since PNQ is similar to LNM, the following equivalent ratios exist:

\frac{LM}{PQ} = \frac{LN}{PN}

Substitute LN= 3PN

\frac{LM}{PQ} = \frac{3PN}{PN}

\frac{LM}{PQ} = 3

LM = 3PQ

Area of LQM is:

Area = \frac{1}{2} * LM * LP

This gives:

Area = \frac{1}{2} * 3PQ * LP

Area = 3 *\frac{1}{2} *PQ * LP

Recall that:

16= \frac{1}{2} * PQ * LP

So:

Area = 3 *16

Area = 48cm^2

5 0
3 years ago
Please answer this correctly
Anna71 [15]

Answer:

100 years old

Step-by-step explanation:

The oldest person is 100 years old since that's the highest number showed on the stem & leaf plot.

3 0
2 years ago
Simplify :(
evablogger [386]
<h3>Answer:</h3>

8

<h2><u>STEPS:</u></h2>

=57 times 4/57 times 2

=57/1 times 4/57 times 2

=4/2 times 2 (cancel common factor:57)

=4/1 times 2 (convert element to fraction 2= 2/1)

=4/1 times 2/1

Multiply the numbers (4 times 2)

=8/1 times 1 (Multiply the numbers 1 times 1)

Apply the fraction rule: a/1 =9

=8

4 0
2 years ago
GEOMETRY! The diagram shows 5 ft student standing near a tree. The shadow of the student and the shadow of the tree end at point
yuradex [85]

Answer: 24.99 ft

Step-by-step explanation:

1. You can find the angle A as following:

A=arctan(\frac{5}{8})\\A=32\°

2. Now, you can calculate the height of the tree as following:

tan(A)=\frac{opposite}{adjacent}

Where:

A=32°

opposite=x

adjacent=40

3. When you substitute values and solve for x, you obtain that the height of the tree in feet is:

tan(A)=\frac{x}{40}\\x=40*tan(32\°)\\x=24.99

8 0
3 years ago
Please help me to solve this​
ser-zykov [4K]

Answer:

a) 15m²

b) 750cm³

Step-by-step explanation:

(3+2)/2=5/2=2.5

2.5x6=15

a) 15m²

1/20=x/15

15=20x

x=15/20

x=3/4 = 0.75

1 liter is 1000cm³

1000x0.75

b) 750cm³

8 0
3 years ago
Read 2 more answers
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