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Yakvenalex [24]
3 years ago
13

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. Simplify the expres

sion. 4(-8x + 5) – (-33x – 26) = .
Mathematics
1 answer:
Alina [70]3 years ago
7 0
<span>=-32x+20+33x+26
=x+46
The answer is x+46. This question can be answered by the distributive property and remembering the positive and negative multiplication rules.

</span>
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Suppose you want to have $400,000 for retirement in 35years. Your account earns 4% interest.
Sedaia [141]
\begin{equation*} \$437.76 \end{equation*}

1) This is a question for Annuity usage. Note that we'll need the following formula below:

\begin{gathered} P=\frac{A(\frac{r}{n})}{\lbrack(1+\frac{r}{n})^{nt}-1\rbrack} \\ P=\frac{400000(\frac{0.04}{12})}{\lbrack(1+\frac{0.04}{12})^{12\cdot35}-1\rbrack} \\ P=\frac{400000\cdot\frac{0.04}{12}}{\left(1+\frac{0.04}{12}\right)^{35\cdot\:12}-1} \\ P=\frac{400000\cdot\frac{0.04}{12}}{1.0033^{420}-1} \\ P=437.76563...\approx\$437.76 \end{gathered}

Note that P is the value you'll need to deposit each month so that in 35 years you'll have $400,000 for your retirement.

6 0
1 year ago
I need help with A and B, any other ones you don't have to do (you can if you'd like to help me out XD)
fiasKO [112]

Answer:

Step-by-step explanation:

B)  S = {1,2,3,4,5,6}

n(S) = 6

B =  factors of 2 when rolling a single die = {1 , 2}

n(B) = 2

P(B} = \frac{2}{6}=\frac{1}{3}

A) n(S) = 50

A  = Picking numbers with 3 in tens place = {30, 31,32,33,34,35,36,37,38,39}

n(A)  = 10

P(A) = \frac{10}{50}=\frac{1}{5}

3 0
3 years ago
Help? (7th Grade Math)
andrezito [222]

Answer:

V ≈ 714 in³

Step-by-step explanation:

The volume of a triangular prism can be found using the formula:

V = Bh, where B = the area of the base and h = the height of the prism.  Since the base is a triangle, you will need to use the formula for area of a triangle: A = \frac{1}{2}bh.  

In this figure, the base of the triangle  = 23.25 and the height of the triangle is 10.25.  So, the area = (\frac{1}{2})(23.35)(10.25) ≈ 119 in²

With the B = 119 and the height of the prism = 6:

V = 119(6) = 714 in³

5 0
4 years ago
Read 2 more answers
Please help! <br> Timed test.
mario62 [17]

Answer: 43 degrees

Step-by-step explanation:

cos A = 8/11

cos-1 = 43.3417

8 0
3 years ago
Combine the like terms to make a simpler expression: 5k (-2k)-(-1)
TiliK225 [7]
Hey there, Lets solve this problem together. 

Our first step will be to g<span>ather like terms 

</span>5*-2k*k+1 
<span>
 Simplify 5×−2k×k to −5×2k×k

</span>-5*2k*k+1 

Simplify <span><span>5×2k×k</span></span><span> to </span><span><span>10<span>k^2 

</span></span></span>-10k^2+1 <span><span><span>
</span></span></span>
7 0
3 years ago
Read 2 more answers
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