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Kay [80]
3 years ago
6

Solve the systems of equations by elimination.

Mathematics
2 answers:
True [87]3 years ago
7 0

Answer:

(-13, -18)

Step-by-step explanation:

x = -13

y = -18

adell [148]3 years ago
4 0

Answer:

1. (-13, -18) 2. (4, 1)

Step-by-step explanation:

Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.

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Help with this pls I’ll give 20 Points
ruslelena [56]

Answer:

La respuesta es c

Step-by-step explanation:

8 0
3 years ago
4. A comprehensive study conducted by the National Institute of Child Health and Human Development tracked more than 1,000 child
andrezito [222]
Yes that’s right all
7 0
3 years ago
Find: (i) (-3/5) + (-2/7) (ii) (-2/7) -<br>(-3/14) (iii) (- 4/ 9) = (- 2/3)​
Sholpan [36]

Answer:

I. 1/5

II. -1/14

III. 2/9

Step-by-step explanation:

(i) (-3/5) + (-2/7)

Opening up the bracket;

3/5 - 2/5 =

Lowest common multiple (LCM) = 5

(3 - 2)/5

= 1/5

(ii) (-2/7) - (-3/14)

Opening up the bracket;

-2/7 + 3/14 =

Lowest common multiple (LCM) = 14

(-4 + 3)/14 = -1/14

(iii) (-4/ 9) = (- 2/3)

Rearranging the fraction, we have;

-4/9 + 2/3 =

Lowest common multiple (LCM) = 9

(-4 + 6)/9 = 2/9

5 0
3 years ago
Solve v = 1/3 bh for b the base of the cone
Viefleur [7K]

Answer:

<h2>b =  \frac{3v}{h}</h2>

Step-by-step explanation:

<h3>v =  \frac{1}{3} bh</h3>

First of all multiply through by 3

That's

<h3>3v =  \frac{1}{3}  \times bh</h3>

We have

<h3>3v = bh</h3>

Divide both sides by h to make b stand alone

That's

<h3>\frac{bh}{h}  =  \frac{3v}{h}</h3>

We have the final answer as

<h3>b =  \frac{3v}{h}</h3>

Hope this helps you

3 0
3 years ago
How to solve the equation. 1+4=5, 2+5=12, 3+6=21, 8+11=?
spayn [35]
The last one would be 40
8 0
3 years ago
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