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lyudmila [28]
3 years ago
9

PLS HELP!!!!! ASAP 7TH GRADE MATH

Mathematics
2 answers:
stira [4]3 years ago
7 0
HUH?!!! Is that 7th grade math I feel lost Rn
mixas84 [53]3 years ago
6 0

Answer:

B.  128 in squared

Step-by-step explanation:

3.9 rounds to 4

4.1 rounds to 4

8.2 rounds to 8

4 times 4 = 16

16 times 8 = 128

I hope this helps!

Please mark as brainliest if I'm correct!!

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The perimeter of the triangle below is 97 cm.
Sloan [31]

Answer:

The length of EF = x = 18 cm

Option A is correct.

Step-by-step explanation:

Ware given perimeter of triangle = 97 cm

We need to find length of EF = x = ?

The length of EG = x+7

The length of EF = x

The length of GF = 3x

The formula used is: Periemter \ of \ triangle= Sum \ of \ all \ sides \ of \ triangle

Putting values and finding x i.e length of EF

Periemter \ of \ triangle= Sum \ of \ all \ sides \ of \ triangle\\97=x+7+x+3x\\97-7=5x\\5x=90\\x=\frac{90}{5}\\x=18 \ cm

So, value of x=18 cm

The length of EF = x = 18 cm

Option A is correct.

4 0
3 years ago
If you use the addition property of equality , what number would you add to both sides of the equal sign to isolate the variable
kkurt [141]

Answer:

The answer is "\frac{26}{7}"

Step-by-step explanation:

The whole question can be found in the file attached.

\to x + \frac{5}{7} = \frac{31}{7}\\\\

Subtracting the \frac{5}{7} from both sides of the equations:

\to x +\frac{5}{7}  - \frac{5}{7}  = \frac{31}{7}  - \frac{5}{7} \\\\

                    = \frac{31-5}{7} \\\\= \frac{26}{7} \\\\

5 0
3 years ago
Answer all five questions below
Svetach [21]

Answer:

use a calculator

Step-by-step explanation:

there for question b

6 0
3 years ago
QRST is a parallelogram. Find x and y.
Wewaii [24]

In parallelograms, opposite sides are congruent, meaning that they are the same lengths. So, we have:

y - 4x = 9

-x + 4 = y

Add x to both sides of the second equation:

y + x = 4

y - 4x = 9

This is a system of linear equations. Solve by eliminating the y and subtracting the two equations:

5x = -5

x = -1

Use x to solve for y:

y + (-1) = 4

y = 5

So, x = -1 and y = 5.

5 0
3 years ago
Q.1 The park's sprinklers can spray 1,748 gallons of water on the grass in 38 minutes. How many gallons can they spray in one mi
alexandr402 [8]
Q.1: 
1748/38=46
The sprinkler can spray 46 gallons of water in 1 minute.

Q.2:
1408/32=44
The auto factory can build 44 trucks in 1 day.

Q.3:
31*27=837
They need to hire 837 employees.

Q.4:
1326/26=51
The parking lot will have 51 cars per row.

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The machine can make 17,503 pencils in 23 seconds

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6 0
3 years ago
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