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2 years ago

Help asap 10 points

Mathematics

1 answer:

Soloha48 [4]2 years ago

5 0

Answer:

Each terms is equal to the previous term minus 3. Each term is 3 less than the one before it .

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Hello people ~ factorise↷ x^2 + 4x –21

EleoNora [17]

Let's see

$\\ \rm\rightarrowtail x^2+4x-21$

$\\ \rm\rightarrowtail x^2+7x-3x-21$

$\\ \rm\rightarrowtail x(x+7)-3(x+7)$

$\\ \rm\rightarrowtail (x-3)(x+7)$

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2 years ago

Find the value of cos C rounded to the nearest hundredth, if necessary

Sindrei [870]

$\bold{\frac{5}{13} or 0.38}$

Answer:

Solution given:

here

by using Pythagoras law

hypotenuse =

$\displaystyle\sqrt{adjacent ²+opposite ²}\\=\sqrt{15²+36²}=39$

Cos C= $\frac{adjacent} {hypotenuse}=\frac{15}{39}=\frac{5}{13} or{0.38}$

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2 years ago

7. Find x, round to nearest degree. A 15 xo 20 B.

Marizza181 [45]

Answer:37 degrees

The processed I used to solve is below. If you have an questions let me know!

8 0

3 years ago

Which expression is equal to

Burka [1]

Answer:

4^5/ 4^-9

Step-by-step explanation:

the third one

3 0

2 years ago

Read 2 more answers

Find the equivalent expression 11(3p+5x)+4x-x

Alex777 [14]

Hello there! :)

Answer:

=33p+58x

*The answer must have a positive sign.*

Step-by-step explanation:

Distributive property: a(b+c)=ab+ac

First, expanded form. Then you can also multiply from left too right.

$11(3p+5x)=33p+55x$

Next, rewrite the problem down.

$33p+55x+4x-x$

And finally, you add by the similar elements. Then you add by the numbers too.

$55x+4x-x=58x$

Final answer: → $33p+58x$

Hope this helps!

Thanks!

Have a great day!

-Charlie

5 0

2 years ago

Read 2 more answers