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Burka [1]
3 years ago
12

Multiply out and simplify (x+5)(x-1)

Mathematics
2 answers:
My name is Ann [436]3 years ago
7 0

Hi! Let's get solving. :D

Okay.. This is a double bracket, so use the '' Waves '' method to expand the bracket. I don't mean to be lazy, but it's kinda hard to explain the working here, so here's a brilliant video that explains this method:

https://youtu.be/Dvo1Q-yBBhk

(Cognito is a brilliant source for KS3, KS4 revision!)

<em><u>Answer:</u></em>

X^2+4−5

Stay safe! :)

Note: I'm not a maths expert, please double check your answer.

Serhud [2]3 years ago
4 0

Answer:

x^2+4-5

Step-by-step explanation:

the first box multiply the next box

x^2-1x+5x-5

x^2+4x-5

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3.73 rounded to the nearest whole number would be 4
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4 years ago
Can someone explain to me this derivative : y=3x√x
dimaraw [331]

Answer:

(9/2)√x.

Step-by-step explanation:

Convert the radical to an exponent.

x√x = x^1 * x^1/2

= x^(1 + 1/2)

= x^3/2

So the derivative of 3x^3/2 is found as follows:

y' = 3 * 3/2x^(3/2 - 1)

= (9/2)x^1/2

= (9/2)√x.

6 0
3 years ago
A manufacturer of cream filled donuts collected data from its automatic filling process, the amount of cream inserted into the d
fenix001 [56]

Answer:

The correct value is t* = 2.797.

Step-by-step explanation:

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 25 - 1 = 24

99% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 24 degrees of freedom(y-axis) and a  two-tailed confidence level of 1 - \frac{1 - 0.99}{2} = 0.995. So we have T = 2.797.

4 0
3 years ago
There was 7L of punch for the birthday party. How many mL of punch was<br> there?
Mnenie [13.5K]

Answer:

7000 ml

Step-by-step explanation:

hope this helps!!!!!!!!!

3 0
3 years ago
EASY!!!! Answer this question correctly
Lesechka [4]

Answer:

1st answer choice- You do not have enough jars because 20 jars will only hold 35 cups of applesauce.

Step-by-step explanation:

So 1.75 cups of applesauce fits in a jar. You have 20 jars so you multiply the cups of applesauce that can fit in the jar by how many jars you have. It will look like this: 1.75x20=? Now you multiply them and you get 35 which is how many cups of applesauce 20 jars will hold. You will have 5 cups of applesauce left over that cannot be transformed into a jar.

If you can please make my answer the brainliest that would be much appreciated. Thanks!

6 0
3 years ago
Read 2 more answers
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