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tigry1 [53]
3 years ago
14

How many solutions does the system of equations below have? Y=2x - 6 y=5/9x+9/4

Mathematics
2 answers:
kramer3 years ago
6 0

Answer:

2

Step-by-step explanation:

next two the = there are 2 ys

satela [25.4K]3 years ago
4 0

Answer:

Only 1

Step-by-step explanation:

It does not have the same slope thus meaning its not it does not have infinite or no solution, which leaves out 1 solution

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For which mapped relation is the domain ?
Grace [21]

Answer:

C.

Step-by-step explanation:

For any of the given functions, all of the first input values (x-values) in the relation are considered the domain values. On the other hand, the output values (y-values) are called the range values of the given equation.

The mapped relation is the domain (1, 2, 3). Since this is domain values (x-values), the correct answer will be the mapped with 1, 2, and 3 on the left side.

The correct answer is C.

Hope this helps!

7 0
2 years ago
Danny and Mark and Evans ages combined is 80. What was there combined age three years ago?
Tasya [4]

Since there are three kids, 3x3=9. 80-9=71.  Danny and Mark and Evans ages combined is 71 years
8 0
3 years ago
Read 2 more answers
g A coffee-dispensing machine is supposed to deliver eight ounces of liquid into each paper cup, but a consumer believes that th
kap26 [50]

Answer: Reject the eight- ounces claim.

Step-by-step explanation:

For left tailed test , On a normal curve the rejection area lies on the left side of the critical value.

It means that if the observed z-value is less than the critical value then it will fall into the rejection region other wise not.

As per given ,

Objective : A coffee-dispensing machine is supposed to deliver eight ounces of liquid or less.

Then ,

H_0: \mu=8\\\\H_a: \mu , since alternative hypothesis is left-tailed thus the test is an left-tailed test.

the critical value for z for a one-tailed test with the tail in the left end is -1.645 and the obtained value is -1.87.

Clearly , -1.87 < -1.645

⇒ -1.87 falls under rejection region.

⇒  Decision : Reject null hypothesis.

i.e. we reject the eight- ounces claim.

6 0
3 years ago
Find the missing side of this right triangle.
Alborosie

Answer:

13

Step-by-step explanation:

it's a 5,12,13 triangle

and we can find the sides by Pythagorean theorem:

a^2 + b^2 = root of c

25 + 144 = 169

root of 169 = 13

3 0
3 years ago
Write an exponential function in the form y = ab^x that goes through points (0,5)<br> and (4,6480).
tia_tia [17]

Answer:y=5(6)^x

Step-by-step explanation:

7 0
3 years ago
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