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Fofino [41]
3 years ago
7

Add my discordMaxine#3543​

Mathematics
2 answers:
Anton [14]3 years ago
7 0

Answer:

mk

Step-by-step explanation:

SOVA2 [1]3 years ago
3 0

Answer:

ok

Step-by-step explanation:

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A dozen cupcakes cost $36. What is the rate, and the unit rate?
PIT_PIT [208]

Answer:

A unit rate has a denominator of 1 unit when the rate is written as a fraction. To write a rate as a unit rate: divide the numerator and the denominator of the rate by the denominator. Example #1: A rate compares two quantities of different units. Each part of the rate must be labeled!

Step-by-step explanation:

Sana maka tulong

5 0
3 years ago
4p+3p-2=19 What is p ?
UkoKoshka [18]
<span>Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-2p' to each side of the equation. -12 + -6p + -2p = 12 + 2p + -2p Combine like terms: -6p + -2p = -8p -12 + -8p = 12 + 2p + -2p Combine like terms: 2p + -2p = 0 -12 + -8p = 12 + 0 -12 + -8p = 12 Add '12' to each side of the equation. -12 + 12 + -8p = 12 + 12 Combine like terms: -12 + 12 = 0 0 + -8p = 12 + 12 -8p = 12 + 12 Combine like terms: 12 + 12 = 24 -8p = 24 Divide each side by '-8'. p = -3 Simplifying p = -3

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5 0
3 years ago
Read 2 more answers
Substance X is found in the bloodstream of humans. A random sample of 75 males had a mean content of 28 ppm of Substance X in th
Mashcka [7]

Answer:

H0: u1 - u2 = 0

H1: u1 - u2 ≠ 0

Step-by-step explanation:

This question requires us to state the hypothesis to be used for this test to know if males and females have the same amount of substance X. I have gone further to also calculate the test statistics too.

Null hypothesis:

H0: u1 - u2 = 0

Alternative hypothesis:

H1: u1 - u2 ≠ 0

X1 = 28, sd1 = 14.1, n1 = 75

X2 = 33, sd2 = 9.5, n2 = 50

We have a 2 tailed test

Alpha = 1-0.8812

= 0.1188

Critical value = 1.56

If z<-1.56 or z>1.56

Reject null hypothesis

Test statistic

= (28-33)/14.1²/75 + 9.5²/50

= -2.37

Therefore we reject the H0 because -2.37 is less than -1.56

5 0
3 years ago
That or they on average Shantae drinks a 1/2 of a 6 oz glass of water and 2/3 of an hour how much water does she drink an hour​
nikklg [1K]

Answer:

7oz of water

Step-by-step explanation:

6(1/2)= 3; 6(2/3)= 4; 3+4=7

5 0
4 years ago
Roderick has an Internet service that charges by the hour. This piecewise function shows the cost of the Internet service based
puteri [66]

Answer:

18.75 is the answer

Step-by-step explanation:

since the internet usage is more than 4 hrs, the second equation will be used. that is

cost = (10 + 2.50 (x - 4)) where x is the usage hours.

thus

cost = 10 + (2.5 \times (7.5 - 4)) \\  = 10 + (2.5 \times 3.5) \\  = 10 + 8.75 \\  = 18.75

3 0
3 years ago
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