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dedylja [7]
3 years ago
13

5/8+1/4 plz help me

Mathematics
1 answer:
slava [35]3 years ago
6 0
Answer 7/8 or .875 in decimal form
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Answer <br> Sssssssssssss
REY [17]

Answer:

picture is blocked for me because i'm using a school computer sorry bro

Step-by-step explanation:

6 0
4 years ago
You (or your parents) are debating about whether to buy a new car for $19,072.00 or a used car for $15,635.00. Sales tax is 4.5%
docker41 [41]
            Secure      Unsecured
Credit   APR           APR
FAIR      7.00           7.65
 
                                  Brand new            Used Car
Purchase Price:      19,072                   15,635
Sales Tax 4.5%      
(price x 4.5%)      <u>          858.24  </u>           <u>      703.58</u>
Total price                19,930.24               16,338.58
Downpayment       <u>   (1,200.00) </u>           <u>  (1,200.00)</u>
For financing           18,730.24                15,138.58

Interest: Brand New:
Secured : 18,730.24 * 7% * 1/12  = 109.26
Unsecured: 18,730.24 * 7.65% * 1/12 = 119.41

Interest: Used Car
Secured: 15,138.58 * 7% * 1/12 = 88.31
Unsecured: 15,138.58 * 7.65% * 1/12 = 96.51

7 0
4 years ago
Read 2 more answers
If 3 people can complete half of a job in 20 days, how long would it take for 12 people to do
Ivahew [28]

Answer:

with that i solved the answer is 5 days. what could be wrong

8 0
3 years ago
1. What is the vertex form of the equation?
sergeinik [125]

1.vertex form is y=a(x-h)^2+k

to get into vertex form, complete the square

y=-x^2+12x-4

step 1: group x terms

y=(-x^2+12x)-4

step 2: factor coefient in front of x^2 term

y=-1(x^2-12x)-4

prep for next step: take 1/2 of linear (1st dgree term) and square it

\frac{-12}{2}=-6, (-6)^2=36

step 3: add positive and negative of that previous number inside the parenthasees

y=-1(x^2-12x+36-36)-4

factor perfect squaer trionmial

y=-1((x-6)^2-36)-4

take out that -36 by expansion

y=-1(x-6)^2+36-4

y=-1(x-6)^2+32



2. factor out the 2

2(x^2+8x+12)

what 2 numbers multiply to get 12 and add to get 8?

2 and 6

2(x+2)(x+6)


3.

for ax^2+bx+c=0

x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}

in our case

x^2-7x-6=0

a=1, b=-7, c=-6

x=\frac{-(-7) \pm \sqrt{(-7)^2-4(1)(-6)}}{2(1)}

x=\frac{7 \pm \sqrt{73}}{2}

so x=\frac{7+\sqrt{73}}{2} and x=\frac{7-\sqrt{73}}{2}



4. remember that i=\sqrt{-1} so i^2=-1

treat i as a variable

(-2i)(8i)=

(-2)(i)(8)(i)=

(-2)(8)(i)(i)=

(-16)(i^2)=

(-16)(-1)=

[tex}16[/tex]

8 0
3 years ago
Read 2 more answers
Evaluate the following integrals: 1. Z x 4 ln x dx 2. Z arcsin y dy 3. Z e −θ cos(3θ) dθ 4. Z 1 0 x 3 √ 4 + x 2 dx 5. Z π/8 0 co
Zigmanuir [339]

Answer:

The integrals was calculated.

Step-by-step explanation:

We calculate integrals, and we get:

1) ∫ x^4 ln(x) dx=\frac{x^5 · ln(x)}{5} - \frac{x^5}{25}

2) ∫ arcsin(y) dy= y arcsin(y)+\sqrt{1-y²}

3) ∫ e^{-θ} cos(3θ) dθ = \frac{e^{-θ} ( 3sin(3θ)-cos(3θ) )}{10}

4) \int\limits^1_0 {x^3 · \sqrt{4+x^2} } \, dx = \frac{x²(x²+4)^{3/2}}{5} - \frac{8(x²+4)^{3/2}}{15} = \frac{64}{15} - \frac{5^{3/2}}{3}

5)  \int\limits^{π/8}_0 {cos^4 (2x) } \, dx =\frac{sin(8x} + 8sin(4x)+24x}{6}=

=\frac{3π+8}{64}

6)  ∫ sin^3 (x) dx = \frac{cos^3 (x)}{3} - cos x

7) ∫ sec^4 (x) tan^3 (x) dx = \frac{tan^6(x)}{6} + \frac{tan^4(x)}{4}

8)  ∫ tan^5 (x) sec(x)  dx = \frac{sec^5 (x)}{5} -\frac{2sec^3 (x)}{3}+ sec x

6 0
4 years ago
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