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4 years ago

15

Please help me with this. Thxxx

1 answer:

grandymaker [24]4 years ago

4 0

You need to higher the points because this may be a site to get help but to have others do your work and to put your thanks means you think people are losers. Try and do it yourself ya selfish a! why does this look like you literally are in class and quickly snap a picture so you don't have to do it. You have to have SOME work done if you REALLY need help. Thanks

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Simplify using the distributive property, Show all work -2(x - 5) + 4(9 + x).

zzz [600]

-2(x - 5) + 4(9 + x)
-2x + 10 + 36 + 4x
=2x + 46

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4 years ago

What is surface area of cube if the only number is 5

Makovka662 [10]

Answer - 150
One square has an area of 25 (5x5) so 6 squares (25x6) have an area of 150.

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4 years ago

Read 2 more answers

Mary Sue and Betty have 603 necklaces altogether. Mary Sue has 115 more necklaces than Betty. How many necklaces does Betty have

Blizzard [7]

Let Mary Sue have m necklaces and Betty have b necklaces.

And they have 603 necklaces altogether, that is

m + b =603

And Mary Sue has 115 more necklaces than Betty, that is

m=b +115

Substituting this value in first equation we will get

b+115+b=603

Subtracting 115

2b= 488

b= 244

So Betty have 244 necklaces .

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4 years ago

Find the zero of f (x-5) (-x to the second power +3x-3)

FromTheMoon [43]

Answer:

1 =x-5 = as pytanerosa tery says

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Step-by-step explanation:

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3 years ago

In ΔNOP, the measure of ∠P=90°, the measure of ∠N=59°, and PN = 7.4 feet. Find the length of OP to the nearest tenth of a foot.

lina2011 [118]

Answer:

12.3 feet.

Step-by-step explanation:

As we are given that $\triangle NOP$ is an right angled triangle.

$\angle P = 90 ^\circ \\\angle N = 59 ^\circ\\Side\ PN = 7.4 \text{ feet}$

And we have to find out the value of side OP to the nearest tenth of a foot by rounding off the value as seen in the attached figure as well.

By using Trigonometric functions in a right angled $\triangle$ , we know that:

$tan \theta = \frac{Perpendicular}{Base}$

Here, $\theta$ is $\angle N$ , Perpendicular is side <em>OP</em> and Base is side <em>PN</em>.

So, $tan 59^\circ = \frac{OP}{PN}$

$\Rightarrow OP = PN \times tan59^\circ$

Putting the values of <em>PN </em>and $tan59^\circ$ .

$OP = 1.66 \times 7.4\\\Rightarrow OP = 12.3 ft$

Hence, the value of <em>OP </em>is $12.3\ feet$ .

8 0

3 years ago