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rodikova [14]
3 years ago
14

What's 200 - 400 fast...​

Mathematics
2 answers:
jasenka [17]3 years ago
7 0

Answer:

-200

Step-by-step explanation:

Tasya [4]3 years ago
4 0

Answer:

-200

Step-by-step explanation:

200 - 400 = -200

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What is -3x^2-4x-4=0
ss7ja [257]

Answer:

<h2>no real solution</h2>

Step-by-step explanation:

-3x^2-4x-4=0\qquad\text{change the signs}\\\\3x^2+4x+4=0\\\\\text{use the quadratic formula:}\\\\\text{for}\ ax^2+bx+c=0\\\\\text{if}\ b^2-4ac0,\ \text{then an equation has two solutions:}\ x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

\text{We have}\ a=3,\ b=4,\ c=4.\\\\\text{Substitute:}\\\\b^2-4ac=4^2-4(3)(4)=16-48=-32

8 0
4 years ago
Stanley has a collection of seashells. He found 35% of his collection on Florida beaches. If Stanley has 49 seashells from Flori
Serjik [45]

Answer:

The number of seashells he have in his collection all together is 140.

Step-by-step explanation:

Given:

Stanley has a collection of seashells. He found 35% of his collection on Florida beaches.

Stanley has 49 seashells from Florida.

Now, to find the number of seashells of his collection altogether.

Let the number of seashells all together be x.

Percentage of seashells found on Florida beaches = 35%.

Number of seashells found on Florida beaches = 49.

Now, to get the number of seashells altogether we put an equation:

35\%\ of\ x=49.

⇒ \frac{35}{100} \times x=49

⇒ 0.35\times x=49

⇒ 0.35x=49

Dividing both sides by 0.35 we get:

⇒ x=140.

Therefore, the number of seashells he have in his collection all together is 140.

4 0
3 years ago
In the figure, a ll b and m 6 = 146 degrees <br><br> What is the m 2?
Art [367]

Answer:

∠2 = 146°

Step-by-step explanation:

∠2 and ∠6 are corresponding angles and are congruent, hence

∠2 = ∠6 = 146°

7 0
3 years ago
Please answer the side questions and the "#justkeepswimming" thank you if you do!!
fenix001 [56]
#just keep swimming I don’t know what you mean
4 0
3 years ago
Find The difference 25(d−10)−23(d+6) is
Vesna [10]

Answer:

2d-388 or 2(d-194)

Step-by-step explanation:

25(d-10)-23(d+6)

25d-250-23d-138

25d-23d-250-138

2d-250-138

2d-388

factor out or simplify,

you get 2(d-194)

8 0
3 years ago
Read 2 more answers
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