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Tpy6a [65]
3 years ago
9

PLEASE HELP!!! EXTRA POINTS AND BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
lions [1.4K]3 years ago
4 0

\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}

Actually Welcome to the concept of Linear Equations

After solving all the Equations we get as,

I have solved the Above four equations, 1.) and no. 2.) is the horizontally adjacent to no. 1.) , hope you get it.

1.) 2x = 14 ===> x = 14/2 ===> x = 7

2.) X - 5 = 20 , X = 20+5 ===> X = 25

3.) 4 + (x +6) = 10 ==> 10 + x = 10 ==> x = 0

4.) 7(x-12) = 21 ===> x-12 = 3 ===> x = 15

9.) -8x -8 = 160 ===> -8x = 168 ===> x = -21

10.) -8k -5 = -133 ==> -8k = -128 ==> K = 16

11.) 0 = -12n+12 ===> -12n=-12 hence, n = 1

12.) -7+n/2=4 ==> -7-4 = -n/2 ==> -11 =-n/2 ==> -n=-22 ==> n = 22

13.) 7*3= n-7 ==> 21=n-7 ==> n = 28

14.) 4+m/10 = 2 ==> 4+m = 20 ==> m = 20-4 ==> m=16

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vampirchik [111]
7/4 means you have to do 7 divided 4. You would get 1.75 then you have to do 1.75 times -4. You get -7. -7 is the answer.
7 0
3 years ago
Read 2 more answers
Circle A has been enlarged to create circle A'. The table below shows the circumference of both circles.
stich3 [128]

Answer:

Option (2) 1.5

Step-by-step explanation:

Rule for the dilation of an image by a scale factor is,

Scale factor = \frac{\text{Radius of image circle A'}}{\text{Radius of pre-image A}}=\frac{r'}{r}

                    = \frac{(2\pi) r'}{(2\pi) r}

                    = \frac{\text{Circumference of image}}{\text{Circumference of pre-image}}

                    = \frac{10.5}{7}

                    = 1.5

Therefore, scale factor was used to create a circle A' = 1.5

Option (2) will be the correct option.

8 0
3 years ago
Use the number line to show and explain why 4/10 ÷ 2 and 4/10 × 1/2 both equal 2/10
Vesna [10]

Step-by-step explanation:

When you divide by a number, you basically are multiplying by the reciprocal

The reciprocal of 2 is 1/2

4/10 ÷ 2 = 4/10 × 1/2 = 2/10

4/10 × 1/2 = 2/10

Using a number line,

Start at 4/10 and move down by 2 until you reach 0

Start at 4/10 and move up by 1/2 from 0 until you reach 4/10

(Count the number of humps)

Both will be the same

4 0
2 years ago
PLS HELP
Charra [1.4K]

Answer:  -418, 728, 446, -429, 1159, -696

Step-by-step explanation:

1. n = -199 - 219 = \boxed{-418}.

2. m = 438 - (-290) = 438 + 290 = \boxed{728}.

3. 128 - (-318) = 128 + 318 = \boxed{446}.

4. The sum of 429 and 429 is 429+429 = 858. We need to subtract this from 429, so 429 - 858 = \boxed{-429}.

5. The sum of 510 and 319 is 510+319 = 829. Subtracting -330, we get 829 - (-330) = 829 + 330 = \boxed{1159}.

6. Call the unknown number "\star". Then \star + 298 = -398, so \star = -398 - 298 = \boxed{-696}. (Think about it.)

4 0
2 years ago
Please someone help me!!
ozzi

Answer:

5 feet squared

Step-by-step explanation:

7 0
3 years ago
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