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ratelena [41]
3 years ago
7

How many solutions does this system have? 2x+3y=-3 3x+ 5y=-9

Mathematics
1 answer:
zhuklara [117]3 years ago
4 0

Answer:

Step-by-step explanation:

2x + 3y = -3                     3x + 5y = -9

3y = -2x - 3                      5y = -3x - 9

y = -2/3x - 1                       y = -3/5x - 9/5

slope = -2/3                      slope = -3/5

y int = -1                             y int = -9/5

to find the answer, u must compare the slopes and the y intercepts.

if they have the same slope and different y int's, then there is no solution

if they have the same slope and the same y int's, they have infinite solutions

if they have different slopes and different y int's, they have 1 solution

so this system has 1 solution <===

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Answer:

a=11

Step-by-step explanation:

Let's solve your equation step-by-step.

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Solve Square Root.

√a+5=4

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Check answers. (Plug them in to make sure they work.)

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<span>To complete the steps to demonstrate why you multiply by the reciprocal when dividing fractions.

To find
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Step 1:
Rewrite it as
\frac{\frac{1}{4}}{\frac{3}{8}}.


Step 2:
Multiply the numerator and the denominator by the reciprocal of
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</span><span>\frac{\frac{1}{4}}{\frac{3}{8}}=\frac{\frac{1}{4}}{\frac{3}{8}}\times\frac{\frac{8}{3}}{\frac{8}{3}}


Step 3:
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Step 4:
Simplify the fraction
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We complete the solution as follows:
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Answer:

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Step-by-step explanation:

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