3 years ago

(-4)(9)+(-55 divided -5)=

Mathematics

1 answer:

irinina [24]3 years ago

4 0

(-4)(9)+(-55/-5)

-36+11

= -25

You might be interested in

When multiplying two negative numbers, what kind of number does one always get for an answer?

kvasek [131]

When we multiply two negative numbers, one always gets a positive number.

(-)×(-)= +

Hope it helps

4 0

3 years ago

Read 2 more answers

Please help! Will give Brainliest!

GREYUIT [131]

What do you need help with?
And try taking a picture and posting it if you can't ask the question.

8 0

4 years ago

Read 2 more answers

A school was attempting to determine the proportion of students who have access to the internet in their homes. Demographic data

Likurg_2 [28]

Answer:

Z = -1.789

P value = 0.036807

Step-by-step explanation:

Here

H0: p = 0.85 students will have access to the internet at home

Ha: p < 0.85 students will have access to the internet at home

As per the given data, out of 120 sampled students, 95 have access to internet at home

This is 79.17 % of the total number of sampled students.

The Z values is given by

$Z = \frac{p-p'}{\sqrt{\frac{p(1-p)}{n} } }$

Substituting the given values, we get -

$Z = \frac{0.7917-0.85}{\sqrt{\frac{0.85(1-0.85)}{120} } }\\Z = -1.789$

The sample proportion of 0.7917 is about -1.789 standard errors below the population proportion given in the null hypothesis.

Considering, result is significant at p < .05, the P-Value is .036807.

3 0

3 years ago

15p!!what is the percent of change from 72 to 14? round to the nearest percent!

iragen [17]

Here is the set up:

Let p = percent of change

(72 - 14)/72 = p/100

Solve for p.

8 0

4 years ago

Sort these in either Combination or Permutation PLEASE HELP!!!! 100 POINTS

balandron [24]

A permutation is where there is a difference in positions where the things will be selected into (order matters). Combination is where order doesn’t matter. I have sorted them but I am not sure about the starting line up one. If the players are selected into specific positions then it would be a permutation.

3 0

2 years ago

Read 2 more answers