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3 years ago

18. A credit card company claims that the mean time the customers spend on

Mathematics

1 answer:

Aleksandr [31]3 years ago

8 0

Answer: If the null hypothesis is true, the probability of observing a sample mean of at least 5.15 minutes is .031

Step-by-step explanation:

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You must write your answer in fully simplified form.<br>2t= -12

Katarina [22]

Answer:

t=-6

Step-by-step explanation:

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1 year ago

ABCD is a parallelogram. If ad = 2x + 10 and CD = 4x - 20, for what value of x will abcd be a rhombus

dimaraw [331]

Answer:

Step-by-step explanation:

All sides of a rhombus are equal, so

$2x+10=4x-20 \\ \\ 10=2x-20 \\ \\ 2x=30 \\ \\ x=15$

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11 months ago

Pretty Pavers company is installing a driveway. Below is a diagram of the driveway they are

Zina [86]

Answer: The answer is 190 square feet

Step-by-step explanation:

I just answered the same question

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3 years ago

Read 2 more answers

Help me I don’t understand

Fantom [35]

Answer:

<1= 32*

<2= 32*

<3= 40*

Step-by-step explanation:

a triangle also adds up to 180*

m <1 = 90+58=148 then 180-148=32*

<1 and <2 are equal so <2 also =32*

m <3= 108+32=140 then 180-140=40

6 0

2 years ago

Express and simplest radical form.

strojnjashka [21]

Answer:

4 square root 5 is the answer

root(20*4)

2 × root(5×4)

4×root(5)

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2 years ago