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Phantasy [73]
3 years ago
13

Item 16 Write and solve an equation to answer the question. 9 is what percent of 20? =p⋅ 9 is % of 20.

Mathematics
1 answer:
seraphim [82]3 years ago
8 0

Answer:

I think it is x=180

Step-by-step explanation:

9=x/20

9 times 20=x(by criss cross method)

x=180

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Kenneth is making chocolate cakes. For each cup of milk uses, he needs to use one and 3/4 cups of flour. For each cup of flour h
Klio2033 [76]

Answer:

see below  PLEASE GIVE BRAINLIEST

Step-by-step explanation:

1 milk = 1 3/4 cup of flour

1 flour = 3/7 cup of cocoa powder


4 cups of milk = 1 3/4 x 4 = 7/4 x 4/1 = 7 cups of flour

7 cups of flour = 7 x 3/7 =  7/1 x 3/7 = 3 cups of cocoa powder

8 0
3 years ago
Given: -7x<-21 choose the solution set
Ahat [919]

Answer:

x > 3

Step-by-step explanation:

The only thing you need to do is just divide both sides by -7

-7x/-7<-21/-7

x>3

I hope this helped!! Good luck (:

6 0
2 years ago
3 (n + 7) = __ + 21<br> Answer?
ElenaW [278]

Answer:

3n

Step-by-step explanation:

We can see that the 3 gets distributed into the parentheses since there is a +21 on the right (3×7=21) so we also have to distribute the 3 to the n

5 0
3 years ago
Read 2 more answers
Make a conjecture of what the x-intercepts of the function<br> f(x) = (2x - 1)(x + 3) will be.
drek231 [11]

Answer:

x=-3,x1/2

Step-by-step explanation:

f(x)=(2x-1)(x+3)

TI find x intercept/zero substitute

f(x)=0

0=(2x-1)x(x+3)

swap the sides of the equation

(2x-1)x(x+3)=0

when the product of factors equals 0,at least one factor is zero

2x-1=0

x+3=0

solve the equation for x

x=1/2

x+3=0

solve the equation of x

x=-3

The equation has two solution

x=-3

x=1/2

3 0
3 years ago
(x+5)(x-5) Multiplying special case polynomials
azamat

Answer:

x^2 - 25 ✔

Step-by-step explanation:

(x+5)(x-5)

x(x-5) +5(x-5)

x^2 - 5x + 5x - 25

x^2 - 25

7 0
3 years ago
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