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tresset_1 [31]
3 years ago
10

True or False

Mathematics
1 answer:
docker41 [41]3 years ago
7 0

Answer:

true

Step-by-step explanation:

just collect the like terms

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88 POINTS!!!!! Multiply:<br><br> 1. (y−4)2<br><br> 2. 5(y+4)2<br><br> 3. (y+4)2<br><br> 4. 5(y−4)2
navik [9.2K]

Answer:

Thus # 2 is correct (5 (y + 4))/2

Step-by-step explanation:

Simplify the following:

(5 y (y^2 - 16))/(2 y (y - 4))

(5 y (y^2 - 16))/(2 y (y - 4)) = y/y×(5 (y^2 - 16))/(2 (y - 4)) = (5 (y^2 - 16))/(2 (y - 4)):

(5 (y^2 - 16))/(2 (y - 4))

y^2 - 16 = y^2 - 4^2:

(5 (y^2 - 4^2))/(2 (y - 4))

Factor the difference of two squares. y^2 - 4^2 = (y - 4) (y + 4):

(5 (y - 4) (y + 4))/(2 (y - 4))

Cancel terms. (5 (y - 4) (y + 4))/(2 (y - 4)) = (5 (y + 4))/2:

Answer:  (5 (y + 4))/2

7 0
3 years ago
Read 2 more answers
A highly selective boarding school will only admit students who place at least 2.5 standard deviations above the mean on a stand
VladimirAG [237]

Answer:

The minimum score that an applicant must make on the test to be​ accepted is 360.

Step-by-step explanation:

Given : A highly selective boarding school will only admit students who place at least 2.5 standard deviations above the mean on a standardized test that has a mean of 300 and a standard deviation of 24.

To find : What is the minimum score that an applicant must make on the test to be​ accepted?

Solution :

We apply the z formula,

z=\frac{x-\mu}{\sigma}

Where, z value= 2.5

\mu=300 is the mean of the population

\sigma=24 is the standard deviation

x is the sample mean.

Substituting the values in the formula,

2.5=\frac{x-300}{24}

2.5\times24=x-300

60=x-300

x=60+300

x=360

Therefore, The minimum score that an applicant must make on the test to be​ accepted is 360.

8 0
4 years ago
If -4/3y=-3/4, then y =?
garri49 [273]

Step-by-step explanation:

y=-3/4 ÷ -4/3

y=+9/16‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌

5 0
4 years ago
Read 2 more answers
Find the measure of angle x in the figure below:<br><br>65<br>70<br>110<br>125​
Butoxors [25]

Answer:

angle x appears to be 70°

6 0
3 years ago
Read 2 more answers
Answer this you get brainliest
Leno4ka [110]
Fractions Decimals Percents

1/4 0.25 25%

4/5 0.80 80%

3/4 0.75 75%

33/100 0.33 33%

1/10 0.10 10%

33/50 0.66 66%

1/8 0.125 12.5%

2/4 0.50 50%


Everything is put into order how it’s supposed to be on the chart! :) hope this helps you out a lot. Have a wonderful day❤️
4 0
3 years ago
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