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iragen [17]
3 years ago
7

I need help answering this question!

Mathematics
1 answer:
Molodets [167]3 years ago
8 0

Answer:

2x+7=-3+2x multiply what’s in the bracket by the negative sign

Collect like terms

2x-2x=-3-7, so

0=-10

Step-by-step explanation:

I hope this is the answer, if it helped please give me brainliest

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At barlow school 4/9 of the 873 students are boys at willow school 2/3 of the 630 students are girls which school has the greate
marishachu [46]

Answer:

There are 178 more boys in Barlow school as compared to Willow school.

Step-by-step explanation:

We are given the following in the question:

Barlow school:

Total number of students = 873

Number of boys =

=\dfrac{4}{9}\times 873 = 388

Willow school:

Total number of students = 630

Number of girls =

=\dfrac{2}{3}\times 630 = 420

Number of boys =

Total number of students - total number of girls

=630-420 = 210

Thus, Barlow school has greater number of boys than Willow school.

Difference between the number of boys =

=388-210\\=178

Thus, there are 178 more boys in Barlow school as compared to Willow school.

7 0
3 years ago
a group of four students is performing an experiment with salt each student must a 3/8 teaspoon of salt to a solution the group
Natalka [10]
The group with need to fill the spoon a total of 3 times this is because 1/8+1/8+1/8=3/8
7 0
3 years ago
Read 2 more answers
A 73 meters long stick is cut into two pieces. The longer piece is 16 meters longer than twice the length of the shorter piece.
MrMuchimi

Answer:

The longer piece: 54m

The shorter piece: 19m

Step-by-step explanation:

Make an equation from what is said.

One of the pieces is 'x'

The other piece is 2x+16

x + (2x + 16) = 73m

solve for x

x = 19

plug it in

2*19 + 16

you get 54

so 54 is the longer piece

and 19 is the shorter piece (x was the shorter piece)

Hope this helped :)

8 0
4 years ago
Read 2 more answers
You run one lap around a mile track every 8 minutes. Your friend runs around the same track every 10 minutes. You both start at
dolphi86 [110]
I'm going to need more information before I can answer.
3 0
4 years ago
The area of a circle is 78.5 square meters. what is the radius ?
Nataly [62]
\bf \textit{area of a circle}\\\\
A=\pi r^2\quad 
\begin{cases}
r=radius\\
------\\\
A=78.5
\end{cases}\implies 78.5=\pi r^2\implies \cfrac{78.5}{\pi }=r^2
\\\\\\
\sqrt{\cfrac{78.5}{\pi }}=r
3 0
3 years ago
Read 2 more answers
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