3 years ago

Plz help plz explain i dont even know how to begin this

Mathematics

1 answer:

OverLord2011 [107]3 years ago

7 0

Do you need an expression. if so you identify pencils by the value

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HELP PLEASE 10 POINTS!!!!!!!!!!!

LiRa [457]

Answer:

$0.0000000642 = 6.42 \times {10}^{ - 8}$

I hope I helped you^_^

5 0

3 years ago

Read 2 more answers

3<br> Solve for x. Round answer to the nearest tenth.<br> X<br> 759<br> 17

QveST [7]

Answer:

x ≈ 4.6

Step-by-step explanation:

Reference angle = 75°

Opposite side to reference angle = 17

Adjacent side = x

Applying TOA:

Tan 75 = opp/adj

Tan 75 = 17/x

Multiply both sides by x

x*Tan 75 = 17

Divide both sides by Tan 75

x = 17/Tan 75

x ≈ 4.6

7 0

3 years ago

A recipe calls for 1 part beans to 1-1/2 parts rice. If 1-1/2 parts of beans are used how much rice should be used

Maurinko [17]

I think the answer is 2 parts rice. If you added half to the beans, do it to the rice too.

5 0

3 years ago

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Hi ! How to solve this question?

tester [92]

You should actually have

$-x^2-4x-10=-(x^2+4x+10)=-(x^2+4x+4+6)=-((x+2)^2+6)=-(x+2)^2-6$

Now, remember that $x^2$ is always non-negative, so $(x+2)^2\ge0$ for any value of $x$ . This means $-(x+2)^2\le0$ for any $x$ , and so

$-(x+2)^2-6\le0-6=-6$

i.e. f(x) is at most -6, and hence negative for all $x$ .

4 0

3 years ago

-| -8 | |-(-8) are they equal ? Or which one is more ?

satela [25.4K]

Answer:

-| -8 | is less than |-(-8)|

Step-by-step explanation:

-| -8 | =-8

|-(-8)| =8

they are not equal

-| -8 | is less than |-(-8)|

5 0

3 years ago