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3 years ago

PLEASE HELPPPPPPPPPPPPP

Mathematics

1 answer:

Fed [463]3 years ago

7 0

Answer:

10 , 8

Step-by-step explanation:

because those numbers match up with the x

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Solve the system equations y=x^2-8 4x+y=-8

monitta

Insert y in the second equation and solve for x:

4x+(x^2-8)=-8
4x+x^2-8=-8
4x+x^2=0
x^2+4x=0

x = -4

Now you insers this x-value in the first or second equation (i use the first):
y=(-4)^2-8=16-8=8

Therefore the conclusion must be x=-4 and y=8

4 0

3 years ago

Susan made 4 uniform annual deposits of $1800 in a savings account that earned an interest rate of 2% per year. Her last deposit

Norma-Jean [14]

Answer:

"$ 2,880" is the right answer.

Step-by-step explanation:

The given values are:

Annual deposit,

PV = $1,800

Interest rate,

r = 2%

or,

= 0.02

As we know,

⇒ $FV=PV\times (1+r)n$

On substituting the values, we get

⇒ $=1,800\times (1 + 0.02) 4 + 7 + 13$

⇒ $=1,800\times (1.02)24$

⇒ $=1,800\times 1.6$

⇒ $= 2,880$ ($)

5 0

3 years ago

Which equation is equivalent to 5x=1n 8?

Semenov [28]

Answer:

The answer is

→ Option B.) e^5x=8

Step-by-step explanation:

$5x=$ $lm$ $8$

⇒ e^5x=8

(Use the Property of Logarithms)

Therefore, e^5x=8 is your answer.

Hope this helped! :^)

3 0

3 years ago

How many solutions exist for the given equation? 3(x + 10) + 6 = 3(x + 12) zero one two infinitely many

NNADVOKAT [17]

For this case we have the following expression:

$3 (x + 10) + 6 = 3 (x + 12)$

We must rewrite both sides of the equation.

For this, we use the distributive property.

We have then:

$3x + 30 + 6 = 3x + 36$

Adding similar terms we have:

$3x + 36 = 3x + 36$

We observe that we have two equal equations.

Therefore, the equations intersect for any value of x.

Thus, the equation has infinite solutions.

Answer:

infinitely many

6 0

3 years ago

Read 2 more answers

Help me please

torisob [31]

Answer:

26 ft

Step-by-step explanation:

7 0

3 years ago

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