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suter [353]
3 years ago
5

HELPPPPPP!! I DONT UNDERSTAND MATHHHHH Solve the equation. -2(x+5)=10

Mathematics
2 answers:
NikAS [45]3 years ago
8 0

Answer: x = −10

Step-by-step explanation:

spin [16.1K]3 years ago
5 0

Answer:

X=-10

Step-by-step explanation:

The parentheses means you have to multiply. Division is the inverse operation of multiplication. You could do the problem backwards, starting with 10/-2 which is -5

Then you can divide -5 by 2 which is -10

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Show your work and explain in a full sentence how 4 2/6 is equivalent to 3 8/6
Naddik [55]

Answer:

Multiply the whole numbers by their denominators and then add the product to their numerators. You will notice that they equal the same improper fraction.

Step-by-step explanation:

4 * 6 = 24.

24 + 2 = 26.

4 2/6 as an improper fraction equals 26/6.

3 * 6 = 18.

18 + 8 = 26.

3 8/6 as in improper fraction equals 26/6 as well.

So that is how they are equivalent.

4 0
3 years ago
Read 2 more answers
Find arc DC please help me
emmasim [6.3K]

Answer:

arc ABC = 196°

arc DC = 360 - 196 - 70 = 94°  (which looks out of proportion, but so does angle D)

Step-by-step explanation:

arc ABC = 2(∠D) = 2(98°) = 196°

3 0
3 years ago
Which quadratic equation fits the data in the table?
marissa [1.9K]

Answer:

y = 3 - x + x²

Step-by-step explanation:

Given the data:

x. y

-5 33

-2 9

-1 5

0 3

3 9

4 15

6 33

General formof a quadratic model:

y = A + Bx + Cx²

Using the quadratic regression model solver for the data Given:

The quadratic model fit obtained is :

y = 3 - x + x²

4 0
3 years ago
A dinner plate has a circumference of 106.76 cm. What is the area of the dinner plate? Use = 3.14.
Sphinxa [80]
C=2pr,  r=c/(2p)

a=pr^2, using r found above we get:

a=p(c^2/(4p^2))

a=(c^2)/(4p), since c=106.76 and we approximate pi as 3.14

a=(106.76^2)/(4*3.14)

a=11612.2176/12.56 cm^2

a≈924.54 cm^2  (to nearest one-hundredth of a square cm)
3 0
3 years ago
Zara walked 3/4 mile in 30 minutes. How long will it take her to walk 2 miles?
Talja [164]

Answer:

80 minutes

Step-by-step explanation:

(3/4)/30=2/x

cross product

30*2=(3/4)x

60=3/4x

x=60/(3/4)

x=(60/1)(4/3)

x=240/3

x=80

5 0
3 years ago
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