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3 years ago

Please find the answer

Mathematics

2 answers:

kati45 [8]3 years ago

8 0

Y is 45 and X is 70.

kompoz [17]3 years ago

4 0

Step-by-step explanation:

Y 45

X 50

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Ilya [14]

Answer:

The answer is $\sqrt{x} 101$

Step-by-step explanation:

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3 years ago

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6x+1 = -8x-13 pleasee

DiKsa [7]

Answer: $x=-1$

Add 8x to both sides

$6x+1+8x=-8x-13+8x\\14x+1=-13$

Subtract 1 from both sides

$14x+1-1=−13-1\\14x=-14$

Divide both sides by 14

$14x/14=-14/14\\x=-1$

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4 years ago

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Which system of equation is represented

olga nikolaevna [1]

Answer:

Step-by-step explanation:

First, let us figure out what is graphed and then manipulate each answer to try to match it.

The one with a positive slope is

$y\leq x-2$

The one with the negative slope is

$y\geq 3-2x$

Now that we have our graphed system of inequalities, we can try to match them to an answer.

A. while the x-2 is the same, the other does not have an x, so it cannot match.

B. The second inequality has the wrong sign, so it is impossible for this to be our answer.

C. When each of these are solved for y, you get $y\leq 2x-3\\\\y\leq 2-x$ . Neither of these match so this cannot be correct.

D. When the first inequality is solved you get $y\geq 3-2x$

When the second inequality is solved you get $y\leq x-2$

As both of these answers match our graphed inequalities, D is the correct answer.

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4 years ago

X² + 3x – 7=0 Solve X= or x=

svetoff [14.1K]

Answer:

x = 2

Step-by-step explanation:

X² = 3x - 7 = 0

X² = 3x = 7

(x + 1) (x + 2) = 7

(x + 1) + x = 7 - 2

x + x = 7 - 3

2x = 4

x = 4/2

x = 2

8 0

3 years ago

16. Suppose Eva has 12 3/4 pounds of flour. The day's baking will require triple that amount.

egoroff_w [7]

Answer:

Option D

Step-by-step explanation:

Given the following question:

$12 \frac{3}{4} \times3$

In order to find the answer, we have to convert the mixed number and then multiply by three, since how Eva needs triple the amount for today's baking.

$12 \frac{3}{4} \times3$
$12\frac{3}{4} =4\times12=48+3=51=\frac{51}{4}$
$3=\frac{3}{1}$
$\frac{51}{4} \times\frac{3}{1}$
$51\times3=153$
$4\times1=4$
$=\frac{153}{4}$

Convert the improper fraction back into a mixed number:

$\frac{153}{4}$
$\frac{153}{4} =153\div4=38\frac{1}{4}$
$=38\frac{1}{4}$

Which means Eva needs "38 1/4 pounds of flour" or option D for today's baking.

3 0

3 years ago