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Doss [256]
3 years ago
11

The difference of a number and 10 is equal to eleven times the number

Mathematics
1 answer:
Levart [38]3 years ago
7 0

Answer:

let the number be x

x-10=11*x

x-10=11x

-10=11x-x

-10=10x

x= -10/10

x= -1

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At a farm the ratio of cows to horses was 9:2. If there were 72 cows at the farm, how many horses were there?
bixtya [17]
Let the no. Of horses be x

9÷2 = 72÷x

X= 144÷9
No. Of horses = 16
4 0
3 years ago
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Find the area in square units ​
Dafna11 [192]

Answer: 24

Step-by-step explanation:

First count it all right 6 x 6 = 36

Then the squares inside are 4 x 3 = 12

36 - 12 = 24

I beilive that is your answer.

4 0
2 years ago
2. Write the equation of the circle in general form
Anon25 [30]
(-1,-2) and (-1,4)
so these have same x values, but different y values, so these are on differnt sidef of circle

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so move 3 units up from (-1,-2)
(-1,1)
so

if center is (h,k) and radius is r then
(x-h)^2+(y-k)^2=r^2

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5 0
3 years ago
MAX POINTS!!!! Please help me solve the problem in the picture and tell me what I’m doing also explain each step.
lapo4ka [179]

Answer: j=0.4

-j+0.8=-0.9j+0.76

-j+0.8+0.9j=-0.9+0.76+0.9j

-0.1j+0.8=0.76

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j=0.4

Ya have a good day.

5 0
2 years ago
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Tina is attempting to factor the expression 10x^2-13-3. In her first step, she rewrites the expression as 10x^2-10x-3x-3. Which
Setler79 [48]

ANSWER

B. The two middle coefficients add to the correct number but do not multiply to the correct number.

EXPLANATION

The given quadratic trinomial that Tina tries to factor is

10 {x}^{2}  - 13x - 3

Comparing to

a{x}^{2}  + bx  + c

we have a=10, b=-13 and c=-3

ac=-3×10=-30

We split the middle term so that their sum is -13.

Tina use

-10,-3

to get

-10x-3x

The sum is -13x alright but the product is not -30.

B is correct.

8 0
3 years ago
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