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Reil [10]
3 years ago
10

I have no idea what to do

Mathematics
1 answer:
REY [17]3 years ago
7 0

Answer:

the second is correct

Step-by-step explanation:

choose as brainliest

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William has 90 to spend on juice boxes for a preschool picnic. Each juice box cost 2.51 what is the maximum number her can buy
lora16 [44]

Answer:

35 x 2.51 = 87.85

36 x 2.51 = 90.36

If he cannot spend more than 90 than the maximum amount he can afford is 35.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
At a party, there are 2 six-packs of regular cola, 1 six-pack of diet cola, 1 six-pack of cherry cola, and 1 six-pack of vanilla
aliya0001 [1]

Answer:

B.

Step-by-step explanation:

There are 5 total 6-packs of cola. 1 is cherry and the other is vanilla. 2 out of 5 are the flavors. This means you have a 2 in 5 chance of getting a cherry or vanilla cola.

8 0
4 years ago
(2x-10)(x+3)<br> Simplify each expression
irga5000 [103]
2x^2-4x-30 would be your answer

<span><span>(<span><span>2x</span>−10</span>)</span><span>(<span>x+3</span>)
</span></span><span>=<span><span>(<span><span>2x</span>+<span>−10</span></span>)</span><span>(<span>x+3</span>)
</span></span></span><span>=<span><span><span><span><span>(<span>2x</span>)</span><span>(x)</span></span>+<span><span>(<span>2x</span>)</span><span>(3)</span></span></span>+<span><span>(<span>−10</span>)</span><span>(x)</span></span></span>+<span><span>(<span>−10</span>)</span><span>(3)
</span></span></span></span><span>=<span><span><span><span>2<span>x2</span></span>+<span>6x</span></span>−<span>10x</span></span>−30
</span></span><span>=<span><span><span>2<span>x2</span></span>−<span>4x</span></span>−<span>30</span></span></span>
5 0
4 years ago
Read 2 more answers
Solve the equation for 0 &lt;= x &lt; 2pi.<br><br> (2sin x - 1)(2cos^2 x - 1) = 0
marta [7]

If

(2 sin(x) - 1) (2 cos²(x) - 1) = 0

then either

2 sin(x) - 1 = 0   or   2 cos²(x) - 1 = 0

sin(x) = 1/2   or   cos(2x) = 0

The first equation gives two families of solutions,

x = arcsin(1/2) + 2nπ = π/6 + 2nπ

x = π - arcsin(1/2) + 2nπ = 5π/6 + 2nπ

where n is any integer; we get the solutions x = π/6 and x = 5π/6 in the interval 0 ≤ x < 2π when n = 0.

The second equation also gives two families of solutions,

2x = arccos(0) + 2nπ = π/2 + 2nπ

2x = -arccos(0) + 2nπ = -π/2 + 2nπ

Divide both sides by 2 :

x = π/4 + nπ

x = -π/4 + nπ

Then the solutions we want are x = π/4 and x = 5π/4 (when n = 0 and 1 in the first family, respectively) and x = 3π/4 and x = 7π/4 (when n = 1 and 2 in the second family).

We have 6 solutions, so A is the correct choice.

8 0
2 years ago
I am a 2-digit number. I am a am an even number. The sum of all my digits together is 3. The order of my digits goes smallest to
julia-pushkina [17]

Answer:

12

Step-by-step explanation:

12 = 2 digits

1 + 2 = 3

1 < 2

8 0
3 years ago
Read 2 more answers
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