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sveticcg [70]
3 years ago
12

Help me please i will give brainliest

Mathematics
2 answers:
Alex787 [66]3 years ago
4 0

Answer:

7

Step-by-step explanation:

DIA [1.3K]3 years ago
3 0

Answer:

The forth box for c will be 22

Step-by-step explanation:

If c = 10 , b = 5

If c = 14 , b = 7

If c = 18 , b = 9

If c = 22 , b = 11

If c = 26 , b = 13

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Solve using substitution.<br> X = -1<br> -8x + y = 14<br> Submit
Vesnalui [34]
So given x=-1, you can substitute it for x in the second equation.

-8(-1)+y=14

y+8=14

y=6

So the solution is (-1,6)
7 0
2 years ago
I do not understand this question and it will be kind if you help a kid in need
Nimfa-mama [501]

Answer:

x = \frac{mn(q-p)}{n-m}

Step-by-step explanation:

collect the fractional terms on the left side of the equation and other terms on the right side

subtract \frac{x-n}{n} from both sides

\frac{x-m}{m} - \frac{x-n}{n} + p = q

subtract p from both sides

\frac{x-m}{m} - \frac{x-n}{n} = q - p

We require the fractions to have a common denominator of mn

multiply the numerator/denominator of the first fraction by n and the numerator/denominator of the second fraction by m

\frac{n(x-m)}{mn} - \frac{m(x-n)}{mn} = q - p

distribute and simplify the numerators of the fractions

\frac{nx-nm-mx+mn}{mn} = q - p

\frac{nx-mx}{mn} = q - p

factor out x from each term on the numerator

\frac{x(n-m)}{mn} = q - p

multiply both sides by mn

x(n - m) = mn(q - p)

divide both sides by (n - m)

x = \frac{mn(q-p)}{n-m} → n ≠ m






5 0
4 years ago
Given F(x) =3x^2 - 4 and F(a) = 8 find a
Bogdan [553]

F(x)=3x^2-4\\\\F(a)=8\to3a^2-4=8\qquad\text{add 4 to both sides}\\\\3a^2=12\qquad\text{divide both sides by 3}\\\\a^2=4\to a=\pm\sqrt4\to a=\pm2\\\\Answer:\ \boxed{A.\ \pm2}

5 0
3 years ago
I don't understand this.​
mrs_skeptik [129]

Answer:

Step-by-step explanation: you just have to turn your fraction for example 3/4 that's reciprocal is 4/3,3 reciprocal is is 1/3

4 0
3 years ago
Read 2 more answers
(100 POINTS) Drag the tiles to the correct boxes to complete the pairs.
bezimeni [28]

Answer:

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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