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dem82 [27]
3 years ago
13

1) Solve: – 4x – 11 = 7 Pls help

Mathematics
1 answer:
blagie [28]3 years ago
8 0

Answer:

x = -9/2

Step-by-step explanation:

-4x - 11 = 7

-4x = 7 + 11

-4x = 18

x = -18/4

x = -9/2

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2 years ago
Mrs.Manning is making cookies for the bake sale. She jas 3/4 cup of flour and needs 1/3 cup of flour for her chocolate chip cook
Sedbober [7]

Answer:

<em>The fraction of the flour Mrs. Mannng will use for her chocolate chip cookies is 4/9</em>

Step-by-step explanation:

<u>Fraction of Portion</u>

Suppose we have a number n and another number m such as m>n. The portion or fraction of size n of m is given by the quotient n/m.

For example, 3 pieces of cake out of a total of 6 make them a fraction of 3/6 = 1/2 of the whole cake, i.e. half of the total available.

Mrs. Manning needs 1/3 cup of flour to make cookies for the bake sale. She actually has 3/4 cups of flour. Calculate the fraction of needed against the available flour:

\displaystyle \frac{\frac{1}{3}}{\frac{3}{4}}

The division can be easier performed by multiplying by the reciprocal of the denominator:

\displaystyle \frac{1}{3}\cdot \frac{4}{3}=\frac{1*4}{3*3}

\displaystyle =\frac{4}{9}

The fraction of the flour Mrs. Mannng will use for her chocolate chip cookies is 4/9

3 0
3 years ago
20 POINTS! Please help, best answer will recessive brainliest answer points as well as 5 stars and a thank you. :)
Vitek1552 [10]

Answer:

3): 14

Step-by-step explanation:

The problem states that ABC and DEF are similar. Therefore, dsue to similar triangles, we have 7x/7=4/x, so x^2=4. Therefore, x=2 (because x cannot be negative). Therefore, AB = 7x = 7*2=14

6 0
3 years ago
Wut is 36 x 6 :3 i am very stoopid
UkoKoshka [18]

216

Step-by-step explanation:

36*6=216

use a calculation

8 0
3 years ago
if a parabola has its vertex at (3,-5) and one of its x-intercepts at x=9, what is the other x-intercept?
Flauer [41]
The other x intercept is
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3 years ago
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