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snow_lady [41]
3 years ago
10

What is this equation factored 3x^2+7x-8=0

Mathematics
1 answer:
Vesna [10]3 years ago
7 0

Answer:

−

7

−

√

145

6

,

−

7

+

√

145

6

Step-by-step explanation:

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Which ratio is not equivalent to 15/18?<br> A: 25/30<br> B: 90/105<br> C: 60/72<br> D: 35/42
professor190 [17]

Answer:

B

Step-by-step explanation:

Both of the two numbers should equal the same amount when dividing.

For example, in A

25÷15=1.666...

30÷18=1.666...

Both of these answers are the same so that means that 25/30 is equivalent to 15/18

When you're dividing B though, they don't equal the same amount

90÷15=6

105÷18= 5.833...

that means that 90/105 does NOT equal 15/18

good luck

(♡˙︶˙♡)

8 0
3 years ago
PLZ help I don't understand!!!!
WITCHER [35]

Answer:

5

Step-by-step explanation:

7 0
3 years ago
If anyone could help NOW I would appreciate it
Sveta_85 [38]
3. 5x+2y=-19
10x-7y=-16
10x+4y=-38
10x-7y=-16
11y=-22
Y=-2
10x+4c-2=-38
X=-3

4. 10x-4y=20
2x+7y=43
10x-4y=20
10x+35y=215
-39y=-195
Y=5
10x-4x5=20
X=4

Hope this helped :)
4 0
3 years ago
If nelson invests $5000 for 4 years and earns $600, what is the simple interest rate?
klio [65]

Answer: Simple interest rate = 3%.


Step-by-step explanation: We are given invested amount = $5000.

Number of years of investment = 4 years.

Interest earned = $600.

Simple interest formula.

I = P R T.

Where I is the earned interest, P is the invested amount , R is the rate of interest and T is the time in years.

Plugging values in formula, we get

600 = 5000 × R × 4

600 = 20000R.

Dividing both sides by 20000, we get

\frac{600}{20000}  = \frac{20000R}{20000} .

0.03 = R.

Multiplying by 100 to convert it in percentage, we get

0.03 × 100 = R

R = 3 %.



4 0
3 years ago
Harper’s retirement party costs $8, plus an additional $1 for each guest she invites. If there are 13 guests, how much will Harp
Dominik [7]

Answer:$21

Step-by-step explanation:

3 0
4 years ago
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