3 years ago

Expand the following X(5x-1)

Mathematics

1 answer:

RSB [31]3 years ago

7 0

Answer:

5x^2-x

Step-by-step explanation:

pls mark as brainliest

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Simplify the Matrix Operation 4[-4 5 -6]

Doss [256]

Answer:

[-16 20 -24].

Step-by-step explanation:

4[-4 5 -6]

= [4*-4 4*5 5*-6]

= [-16 20 -24].

4 0

3 years ago

Seung and Razi are both filling party favor bags for their birthdays at a constant rate. Razi’s progress is shown in the table.

Natalka [10]

Answer:

Each minute Seung fills one less bag than Razi.

Step-by-step explanation:

Find the rate of change.

Razi's rate of change:

$\dfrac{y(b)-y(a)}{b-a}\\ \\=\dfrac{y(2)-y(1)}{2-1}\\ \\=\dfrac{44-48}{2-1}\\ \\=\dfrac{-4}{1}\\ \\=-4$

Seung's rate of change:

$\dfrac{y(b)-y(a)}{b-a}\\ \\=\dfrac{y(4)-y(3)}{4-3}\\ \\=\dfrac{31-34}{4-3}\\ \\=\dfrac{-3}{1}\\ \\=-3$

This means Razi packs 4 bags per minute, Seung packs 3 bags per minute.

Difference = 4 - 3 = 1 bag

Each minute Seung fills one less bag than Razi.

7 0

3 years ago

Read 2 more answers

Evaluate the expression when a= - 7 and y= 2 a-2y

kirill115 [55]

Answer:

j=7

Step-by-step explanation:

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3 years ago

The summit of Half Dome is the size of 17 football fields. A football field is 360 feet long and 160 feet wide. What is the area

puteri [66]

360*160=57600
57600*17=97920
I think its 97,920

4 0

3 years ago

ABC and ACD are both right angled triangles

emmasim [6.3K]

Answer:

a. Pythagorous theorem

b. 13.9 cm

Step-by-step explanation:

a. By pythagorous theorem,

AC = $\sqrt{12^{2} + 5^{2}}$ cm = 13 cm

b. By pythagorous theorem,

AD = $\sqrt{13^{2}+5^{2}}$ cm = 13.9 cm

[If there's any problem with the solution, please inform me]

3 0

4 years ago