3 years ago

Can someone help me and explain this?? thanks so much!

Mathematics

1 answer:

Anit [1.1K]3 years ago

6 0

Answer:

Step-by-step explanation:

10^7 = 1 and 7 zeros after it.

=> 10000000

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A2 - 2ab a2 - 4b2

gavmur [86]

(a + 2b) • (a2 - 2ab - 4b2)

6 0

4 years ago

What is the interest if a sum of $5200 is invested for 36month at 15% per annum

Serggg [28]

Answer:

I = 2,340

Step-by-step explanation:

The formula for interest is

I = P × R × T / 100

P = $5200

R = 15%

T= 36 months; T is meant to be in years so we will convert it from months to years

1 year = 12 months

So 36 months

= 36 /12 = 3 years

I = (5200 × 15 × 3)/100

I = 234,000 / 100

I = 2,340

4 0

4 years ago

Read 2 more answers

MATH HELP!!!!! If y = 15 when x = 2, what is the value of x when y = 7?

Ede4ka [16]

Direct Variation: $\frac{y}{x} = k$

$\frac{15}{2} = k$

when y = 7: $\frac{7}{x} = \frac{15}{2}$

14 = 15x

$\frac{14}{15} = x$

Inverse variation: y*x = k

15 * 2 = k

30 = k

when y = 7: 7 * x = 30

$x = \frac{30}{7}$

3 0

3 years ago

At a basketball game, a team made 57 successful shots. They were a combination of 1- and 2-point

levacccp [35]

Answer:

2-point shots = 41, 1-point shots = 16

Step-by-step explanation:

Let the number of 1-point shots is x and 2-points shots is y.

The system as per question is

x + y = 57
1*x + 2*y = 98

Solve it by elimination, subtract the first equation from the second

x + 2y - x - y = 98 - 57
y = 41

Find the value of x

x + 41 = 57
x = 16

4 0

2 years ago

Can you please Help me solve 4c < 28

meriva

Answer:

4c < 28

divide by 4 both sides

x < 7

3 0

3 years ago

Can someone help me and explain this?? thanks so much! ​

Can someone help me and explain this?? thanks so much!