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3 years ago

2a+3b=10 2a+3b=23 How to isolate them and substitute it

1 answer:

3 0

You need to solve for one of the variabkes and then plug it in
when I did one of them I got a=5-3b/2 so after that you plug that in for a and solve for the other variable, hope it helps

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Does some body knows how to do this ?

lakkis [162]

It's asking for the "perimeter" of the molding as far as I can tell,
namely, how long is the border of that molding
notice the picture here

5 0

3 years ago

I’m having trouble with this question. if anyone can answer it would mean a lot

natulia [17]

Answer:

Step-by-step explanation:

x = - 48/-8 = 6

c = c^2/c^1 = c^(2-1) = c^1

d = d^4 / d^1 = d^(4 - 1) = d ^3

x = 6

e = 1

f = 3

4 0

3 years ago

What is the slope of the line that passes through the points (2, 5) and (7, 3)?

lana66690 [7]

ANSWER: $\frac{2}{-5}$

EXPLANATION:

We can use the slope formula and input the x and y values to solve for the slope.

$\text{Slope Formula}: \frac{y_{2}-y_{1} }{x_{2}-x_{1}}=m$

$\frac{5-3}{2-7}=m\\\text{Simplify.}\\\frac{2}{-5} =m$

The slope of the line is $\frac{2}{-5}$

8 0

3 years ago

The sum of 2 numbers is 150.One number is 12 more than the other number.What is the smaller number?

anygoal [31]

The smaller number is 63 I think.

I think this because 150/2 is 75

75-12=63

the small number would be 63

the larger number just in case u need it btw is 87 I think

hope this helps

7 0

3 years ago

Read 2 more answers

I need a help with this

Anvisha [2.4K]

Answer:

130.356 g

Step-by-step explanation:

The problem tells you there is a proportional relationship, so set up a proportion and solve..

99.684 is to 11.7 as X is to 15.3

Written as a math equation like this...

99.684/11.7 = X/15.3

Now solve for X

130.356 = X (multiply both sides by 15, then simplify)

3 0

3 years ago