3 years ago

The graph of the function f(x) = (x - 4)(x + 1) is shown

Mathematics

1 answer:

Ostrovityanka [42]3 years ago

4 0

What are the statements?

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An architect designs a rectangular flower garden such that the width is exactly two-thirds of the length. If 390 feet of antiqu

Ksenya-84 [330]

Length (L): L

width (w): (2/3)L

Perimeter (P) = 2L + 2w

390 = 2(L) + 2(2/3)(L)

1170 = 6L + 4L

1170 = 10L

117 = L

width (w): (2/3)L = (2/3)(117) = 2(39) = 78

Answer: width = 78 ft, length = 117 ft

3 0

3 years ago

I need help on this question and every time I get help on this question some people get it wrong. can someone give me the right

LenaWriter [7]

Answer:

x = 8

y = -7

Step-by-step explanation:

(-3y) - 4x = -11

3y - 5x = -61

-----------------------+

-9x = -72

x = 8

3y - 5x = -61

3y -5(8) = -61

3y - 40 = -61

3y = -21

y = -7

8 0

3 years ago

It took14 min to walk around the block 4times. What was her unit rate?

Luba_88 [7]

7.5 min per walk around the block

3 0

2 years ago

Read 2 more answers

The population of a city has decreased by 27% since it was last measured. If the current population is 7300, what was the previo

Tema [17]

Answer:

the answer is 9271

Step-by-step explanation:

if 7300 is 73%, then you need to add 27% to get 100% which is 9271

7 0

2 years ago

Jerry says I've got my money in a great account that compounds interest monthly. The equation y=388 (1.008) represents how much

zheka24 [161]

Answer:

(a)His monthly Interest Rate=0.8%

(b)Annual Interest Rate = 9.6%

Step-by-step explanation:

For a Principal P invested at a yearly rate r, compounded m times in t years

Amount at Compound Interest= $P(1+\frac{r}{m})^{mt}$

Comparing with Jerry's equation y=388 (1.008)

(a)His monthly Interest Rate= 0.008=0.8%

(b)Annual Interest Rate= Monthly Interest Rate X 12 =0.8 X 12 = 9.6%

(c)If I invest $500 at the same rate of return,

Total Money after m months

= $P(1+\frac{r}{m})^{mt}$ $=500(1+0.008)^{m}$ $=500(1.008)^m$

7 0

3 years ago