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prohojiy [21]
3 years ago
11

Plz guys help me plz

Mathematics
1 answer:
stellarik [79]3 years ago
8 0
I feel like its d or b
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Make q the subject of the formula 2(q+p) = 1+5q. Give your answer in the form ap-b/c where a,b and c are all positive integers
musickatia [10]

Answer:

\frac{2p-1}{3}

Step-by-step explanation:

Since you want to get q only and q appears in both side of the equation. Try to isolate q to one side.

1) Expand 2(q+p)

2q + 2p = 1 + 5q

2) Move all q terms to one side

5q - 2q = 2p - 1

3q = 2p - 1

3) Divide 3 on both side (to isolate q)

q = \frac{2p-1}{3}

8 0
4 years ago
(Sorry for it being so long, I just need help with these questions.)
sattari [20]

Answer:

1. c 2. a 3. b

Step-by-step explanation:

6 0
3 years ago
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Sherrie's biology class is studying the ability of a certain microbe to dissipate oil spilled in seawater. to be effective the p
choli [55]

The exponential equation for the growth is f(x)=57e^{0.51x} where x is the number of days and the population on 21st march is 2069983.5 of microbes.

Given:

Days                   population

0                                57

1                                 95

5                               700

10                               8525

We have to form exponential equation which shows the growth of microbes.

We know that exponential equation which shows the sum is as under:

f(x)=Pe^{rt} where r is the rate of growth and x is the number of days, months or years depending on how things grows.

In the question when x=0 population is 57.

f(0)=57

Pe^{0}=57

P=57

When x=1, population is 95.

f(1)=95

Pe^{r}=95

57 e^{r}=95

57=95/e^{r}----1

when x=5,population is 700.

f(5)=700

Pe^{5r}=700

57e^{5r}=700

57=700/e^{5r}-----2

Equating 1&2

95/e^{r}=700/e^{5r}

e^{5x} /e^{x} =700/95

e^{5r-r}=7.36

e^{4r}=7.36

(2.7182)^{4r}=(2.7182)^{2}

equating both sides

4r=2

r=0.5

put the value of t=21 in the exponential equation

f(21)=57e^{0.5*21}

=57e^{10.5}

=57*36315.5

=2069983.5

Hence the population on 21st march is 2069983.5.

Learn more about equation at brainly.com/question/2972832

#SPJ4

8 0
2 years ago
Maggie answered 20 out of 25 questions correctly on a math test. What percent of the questions did she answer correctly?
andrew11 [14]

Answer:

80%

Step-by-step explanation:

20/25 = 80%

7 0
3 years ago
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Find the probability that a teenager has exactly 4 pairs of shoes in their closet.
OlgaM077 [116]

Answer:

0.2

Step-by-step explanation:

i dont know but i think

8 0
3 years ago
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