2 years ago

Help pls number 2! SHOW WORK IF NEEDED ALSO WILL GUVE BRAINLIST!

Mathematics

1 answer:

bazaltina [42]2 years ago

7 0

Answer:

Statistical questions are asking for ABOUT how much not an exact amount or number.

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21 cm by 18cm by 15 cm what will the total sq cm

CaHeK987 [17]

Answer:

5670 $cm^{3}$ will be your answer!

Step-by-step explanation:

21 x 18 x 15 = 5670

8 0

2 years ago

Simplify<br>-6√20+2√45+7√5 <br><br>show Woking out to prove ans please

Dmitry_Shevchenko [17]

Answer:

$\sqrt{5}$

Step-by-step explanation:

Using the rule of radicals

$\sqrt{a}$ × $\sqrt{b}$ ⇔ $\sqrt{ab}$

Simplifying the radicals

$\sqrt{20}$ = $\sqrt{4(5)}$ = $\sqrt{4}$ × $\sqrt{5}$ = 2 $\sqrt{5}$

$\sqrt{45}$ = $\sqrt{9(5)}$ = $\sqrt{9}$ × $\sqrt{5}$ = 3 $\sqrt{5}$

Thus

- 6(2 $\sqrt{5}$ ) + 2(3 $\sqrt{5}$ ) + 7 $\sqrt{5}$

= - 12 $\sqrt{5}$ + 6 $\sqrt{5}$ + 7 $\sqrt{5}$

= $\sqrt{5}$

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2 years ago

???? Help me and I’ll mark as brainliest

Mila [183]

Answer:

Step-by-step explanation:

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2 years ago

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WHAT IS THE EQUATION OF THE LINE IN SLOPE - INTERCEPT FORM

Maksim231197 [3]

Y=10x-40
i hope that helps!!

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2 years ago

Karen wants to buy a $22.50 jacket that is marked 20% off. Select from the drop-down menu to correctly complete the sentence. Th

Strike441 [17]

So first,

$22.50 * .20= 4.5

Then, since is 20% off you subtract the percentage you get in which this case, it's 4.5.

$22.50 - 4.5 = $18

So the Jacket is $18.00!

Hope this helps, have a good day. c;

7 0

3 years ago

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