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insens350 [35]
3 years ago
9

Can someone help me (7th grade science) need to be done as soon as possible

Mathematics
1 answer:
tangare [24]3 years ago
3 0

Answer:

oouu I'm in 7th grade science and I already did this I can help!

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LM = 9, NR = 16, SR = 8. Find the perimeter of triangle LRN.
sweet [91]
<h2>D. 50 units</h2>

Hi, I’m Lena and I will be answering your question to the best of my ability. If you have any further questions after my answer, do not hesitate to ask me! ツ

♡ Let’s look at the main important thing(s) that will lead you in the correct path.

♥ The perimeter is the outside, it is <em>around</em> the figure. When you see those inner triangles, do not pay attention to them! They are just there to make your overthink the question.

♡ Let's solve!

♥ To begin, let's take LM. It already gives you half the segment, so all you need to do is double the number. 9*2=18.

♥ Now, let's take a look at NR. They already give you the segment as a whole, so you do not need to worry about it!

♥ Look at SR. You do the same thing as you did to LM, double the number. 8*2=16.

Now, we add all the numbers to get our final answer.

18+16+16=50.

3 0
3 years ago
In the right triangle above, a = 99 and c= 124. Find the value of b, rounded to the nearest tenth.
Murljashka [212]

Answer:

B= -40

Step-by-step explanation:

So a right triangle has to = 180

So we write the given, which 124+99

we are trying to get 180 so lets subtract that by the equation, 180-124+99

180-(124+99)

12+99=223

180-223

=-43

But in your case it has to be rounded to the nearest tenth

So the answer is -40

8 0
3 years ago
6.7 more than 5 times a number is 20
IrinaK [193]
Subtract 6.7 from 20. This is 13.3. Divide 13.3/5 is 2.66. That is the answer
6 0
3 years ago
Read 2 more answers
What is the diameter of a circle with a circumference of 220 ft
tino4ka555 [31]

Circumference of the circle is given as = 220 feet

We have to find the diameter.

Circumference is found as = 2 * PI * r

220=2*3.14*r

220=6.28r

r=35.03

Diameter is 2*radius

Diameter = 2\times35.03 = 70.06

Hence, diameter of the circle is 70.06 feet.

4 0
3 years ago
Grace wants to buy a portable music player for $150 dollars. Her weekly allowance is $15. If she saves $10 each week toward the
Law Incorporation [45]

Answer:

The answer is 15 weeks.

Step-by-step explanation:

Hope that helps. :)

Pls mark me a Brainliest

4 0
3 years ago
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