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alexgriva [62]
3 years ago
10

How many solutions are there to the equation below ?

Mathematics
1 answer:
Anna35 [415]3 years ago
6 0
145=10x-8x it’s A I’m pretty sure
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Which point would be a solution to the system of linear inequalities ?
brilliants [131]

Answer:

(12,-6)

Step-by-step explanation:

we have

y\leq \frac{4}{3}x+5 ----> inequality A

y\geq -\frac{5}{2}x+5 ---> inequality B

we know that

If a ordered pair is a solution of the system of inequalities, then the ordered pair must satisfy both inequalities (makes true both inequalities)

<u><em>Verify each point</em></u>

Substitute the value of x and the value of y  of each ordered pair in the inequality A and in the inequality B

case 1) (0,-1)

Inequality A

-1\leq \frac{4}{3}(0)+5

-1\leq5 ----> is true

Inequality B

-1\geq -\frac{5}{2}(0)+5

-1\geq 5 ----> is not true

therefore

The ordered pair is not a solution of the system

case 2) (0,3)

Inequality A

3\leq \frac{4}{3}(0)+5

3\leq5 ----> is true

Inequality B

3\geq -\frac{5}{2}(0)+5

3\geq 5 ----> is not true

therefore

The ordered pair is not a solution of the system

case 3) (-6,-6)

Inequality A

-6\leq \frac{4}{3}(-6)+5

-6\leq-3 ----> is true

Inequality B

-6\geq -\frac{5}{2}(-6)+5

-6\geq 20----> is not true

therefore

The ordered pair is not a solution of the system

case 4) (12,-6)

Inequality A

-6\leq \frac{4}{3}(12)+5

-6\leq21 ----> is true

Inequality B

-6\geq -\frac{5}{2}(12)+5

-6\geq -25 ----> is true

therefore

The ordered pair is a solution of the system (makes true both inequalities)

8 0
3 years ago
8849.87 and 2919.07 equals in scientific notation
sweet-ann [11.9K]
8.8 *10^3 (2 sig fig)

2.9 *10^3 (2 sig fig)
5 0
3 years ago
I-Ready
Sindrei [870]

Answer:

2

Step-by-step explanation:

(f+g)(x)

f(x)= x-3, g(x)= 2x+8

3 0
2 years ago
Proof diagram given angle 1 is equal to angle 5 true line p is parallel to line r
beks73 [17]

a. vertical angles are congruent

b. congruence of angles is transitive

c. if two lines are cut by a transversal such that alternate interior angles are congruent, then the lines are parallel


4 0
3 years ago
Can someone help me with this math homework please!
babunello [35]
The answer is A and C
3 0
2 years ago
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