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KatRina [158]
3 years ago
12

Can someone please answer this question please answer it correctly and please show work please help me I need it

Mathematics
1 answer:
____ [38]3 years ago
6 0

Answer:

The blue dot is on -19

Step-by-step explanation:

Each line on the number line is 3 apart.

<--|---|-----|----|----|----|---|---|--|---|---|-->

-21 -19 -16 -13 -10 -7 -4  1  4  7  10    

If this answer is correct, please make me Brainliest!

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What is the simplified form of each expression? a. (6 + 3)2 − 4 b. 23 + (14 − 4) ÷ 2
liraira [26]

Answer:

a. 14

b. 28

Step-by-step explanation:

a. ex: (6+3)2 - 4 = 9(2) - 4

18 - 4 = <u>14</u>

b. ex: 23 + (14 - 4) / 2

Use PEMDAS

P 1st

10

D over A

5

A

<u>28</u>

<em><u>Hope this helps!</u></em>

5 0
3 years ago
Select two ratios that are equivalent to 27:927:927, colon, 9. Choose 2 answers: Choose 2 answers: (Choice A) A 3:13:13, colon,
Troyanec [42]

Answer:

A. Ratio = 3:1

B. Ratio= 9:3

Step-by-step explanation:

Given

Ratio= 27:9

Required

Determine equivalent ratios:

Ratio= 27:9

First, we simplify the ratio to the least possible

Ratio = 27/9:9/9

Ratio = 3:1

By comparison with the given options, we have A and B as answer.

See Proof Below

Proof: A

Compare this to the simplified ratio (given), we have:

Ratio = 3:1 = Ratio = 3:1

Proof B

Ratio= 9:3

Simplify the ratio to the least possible

Ratio= 9/3:3/3

Ratio= 3:1

Compare this to the simplified ratio (given), we have:

Ratio = 3:1 = Ratio = 3:1

7 0
4 years ago
the length of a rectangle is 3 cm longer than it’d width. if the perimeter of the rectangle is 38, find it’s area.
lora16 [44]

Answer:

88 cm²

Step-by-step explanation:

w = x

l = x + 3

P = 38

We know that P=2l+2w, so we substitute known values:

P=2l+2w\\38=2(x+3)+{2(x)}\\38=2x+6+2x\\38=4x+6\\32=4x\\8=x

Therefore, we know that the width (x) is 8 cm and the length (x + 3) is 8 + 3 = 11 cm. To verify, we can check that the perimeter equals 38:

8 + 11 + 8 + 11 = 38. <em>Check.</em>

Thus, the area of the rectangle is:

A=l\times{w}\\A=11\times{8}\\A=88

Therefore, the area is 88 cm².

7 0
4 years ago
Given Trinagle ABC with A(-4, -2), B(4,4), and C(18,-8), answer the following questions.
True [87]
For the answer to the question above, the slope of segment AC is  (-6/22) = -3/11.

The slopes of perpendicular lines are negative reciprocals, so 
you know that the slope of the perpendicular bisector will be 11/3.

The midpoint of segment AC is  (7, -5).

Now you have the slope of the perpendicular bisector, and a
point on it.  You should be able to complete the equation now.

Notice how sneaky this question is.  You don't need to know
point-B at all, and you don't even need to know that there's
any triangle.  All you need to know is points  A  and  C.
8 0
3 years ago
Help me with this please
lbvjy [14]

Answer:

6a is 80       6b120

Step-by-step explanation:

3 0
3 years ago
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