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vlabodo [156]
3 years ago
15

61% of x algebraic expressions

Mathematics
2 answers:
adell [148]3 years ago
7 0

explain more for me to understand better pls

Andrews [41]3 years ago
4 0

Answer:

61\% =  \frac{61}{1 00 }  \:→fractional \: expression \\ 61\% = 0.61 \:  → decimal \: expression

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Factorize: Challenge problem:<br> x^2+19x+78<br> help :)
Trava [24]

Answer:

(x + 6)(x + 13)

Step-by-step explanation:

Given

x² + 19x + 78

Consider the factors of the constant term (+ 78) whuch sum to give the coefficient of the x- term (+ 19)

The factors are + 6 and + 13 , since

6 ×13 = + 78 and 6 + 13 = + 19 , then

x² + 19x + 78 = (x + 6)(x + 13) ← in factored form

3 0
2 years ago
Read 2 more answers
Find the area of this circle. Use 3.14 for pie?
pshichka [43]

Answer:

3.141592658

Step-by-step explanation:

3 0
2 years ago
Do you know the answer to this question
kozerog [31]
The correct answer is:  [C]:  "  f(x) = log₃ (x - 3) " .
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3 0
3 years ago
what is the value of y for the line that has a slope of 1 and goes through the points (-4,y) and(-2,8)​
kozerog [31]

Answer:

<h2>y = 6</h2>

Step-by-step explanation:

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the slope m = 1 and the points (-4, y) and (-2, 8). Substitute:

1=\dfrac{8-y}{-2-(-4)}

1=\dfrac{8-y}{2}         <em>multiply both sides by 2</em>

2=8-y         <em>subtract 8 from both sides</em>

-6=-y          <em>change the signs</em>

6=y\to y=6

7 0
3 years ago
Emma drank three 8 ounce cups of coffee. Each cup of coffee contains 130 mg of caffeine. Emma's body elimantes 13% of the caffei
Alekssandra [29.7K]
So ok

reduced by 13% each times 100-13=87 so 87 % of previous

so

t=time elapsed
I=initial amount
C=future amount
C=I(percentrate)^t

so
C=130(0.87)^t
8 0
3 years ago
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