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Aliun [14]
3 years ago
7

The Perimeter of a triangle is 90 cm. The triangle has side lengths of 2x + 5, 4x - 10, and x + 4. Find the value of x and the l

ength of each side.
Mathematics
1 answer:
Tema [17]3 years ago
8 0

Answer:

I don't understand oof oof

Step-by-step explanation:

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Solve by factoring 25x^2+1=10
Soloha48 [4]

Answer:

x = 3/5, -3/5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A class has 8 boys and x girls. Each student has 4 pencils. The total number of pencils the students is 52.Create an equation th
diamong [38]

8 boys, x girls, 4 pencils each, total number of pencils 52.

The equation can be 4(8+x) = 52

So lets solve:

4(8+x)=52

Divide 4 on both sides:

8 + x=52 / 4

8 + x = 13

Subtract on both sides:

x = 13 - 8

x = 5

There are 5 girls in the class.

Now lets solve to double check:

4(8+5)=52

4(13)=52

52 = 52

Yes!

This means that there are 5 girls in the class.

I hope this helps! :)

4 0
3 years ago
The first term of an arithmetic sequence is 8. The difference of this sequence is 2. Which equation can be used to find the nth
VARVARA [1.3K]

Answer:

a_{n} = 2n + 6

Step-by-step explanation:

The nth term of an arithmetic sequence is

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 8 and d = 2 , then

a_{n} = 8 + 2(n - 1) = 8 + 2n - 2 = 2n + 6

6 0
3 years ago
Given that the coordinates of the points A and B are ( 0, - 2) and ( 3, 0) respectively. What is the length of the line segment
enot [183]

Answer:3.16?

Step-by-step explanation:

3 0
3 years ago
In this sentence, what part of speech is the word in bold? Many trees mature in about thirty years.
Debora [2.8K]

Answer:

Verb

Step-by-step explanation:

It presents what the trees are doing.

It can't be a noun because it is illogical.

It does not modify the noun either.

It does not modify verb, adjective, or any other adverbs.

So in this case, it is a verb

8 0
3 years ago
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