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3 years ago

WILL GIVE BRAINLIEST MUST SHOW WORK!

Mathematics

2 answers:

Shkiper50 [21]3 years ago

8 0

Answer:

C: $537.25

Step-by-step explanation:

Average= $\frac{April+May+June}{3}$

396.25= $\frac{401.5+250+J}{3}$

let j be june

then you want to add the April and May together and multiply the 3 to the other side

1188.75=651.5+J

then subtract 651.5 from both sides

537.25=J

Pani-rosa [81]3 years ago

8 0

D .....................

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I need help answering the question in the picture provided

adoni [48]

answer:

(a).

Equation of circle is x² + y² - 25 = 0

(b).

(-5, 0) » yes

(√7, 1) » no

(-3, √21) » no

(0, 7) » no

Step-by-step explanation:

(a).

If centred at origin, centre is (0, 0)

General equation of circle:

${ \boxed{ \bf{ {x}^{2} + {y}^{2} + 2gx + 2fy + c = 0}}}$

but g and f are 0:

${x}^{2} + {y}^{2} + c = 0 \\ but : \\ c = {g}^{2} + {f}^{2} - {r}^{2} \\ c = { - 25}$

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3 years ago

In psychology lab, Tetiana is conducting an experiment on depth perception using the Howard-Dolman box. Inside the box are two v

erma4kov [3.2K]

Answer:

within-groups

Step-by-step explanation:

According to my research on the scientific method, I can say that based on the information provided within the question the independent variable is being manipulated within groups, because she is not using a pretest and her design is within-groups. This is because she is using the posttest-only control group design which is a research design where at least two groups, one of which does not receive a treatment or intervention, and data is collected on the outcome measure after the treatment or intervention.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

7 0

4 years ago

Expand & simplify

Wittaler [7]

Answer:

6(2a+4)-4(3a-4)= (12a+24) +(-12a+16) = 40

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2 years ago

Divide 6.391 Ã· 0.57. Round the quotient to the nearest hundredth.

Paul [167]

The answer is 11.21, dividing 6.391 by 0.57 will give you 11.2122807018.
Rounding to 11.21 because the thousandths place is less then 5 so the hundredths place stays the same.
(numeral)~(decimal)~(tenths)(hundredths)(thousandths)

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3 years ago

Which expression is equivalent to 3x/x+1 divided by x + 1?

kiruha [24]

I hope this helps you.

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4 years ago

Read 2 more answers

**WILL GIVE BRAINLIEST** MUST SHOW WORK!

WILL GIVE BRAINLIEST MUST SHOW WORK!