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tia_tia [17]
3 years ago
7

How do you do this? I need help

Mathematics
2 answers:
Whitepunk [10]3 years ago
8 0
A) .02 B).79 C)1.35
You gotta move the decimal two places to the left and that’s how you do it
sammy [17]3 years ago
6 0

Answer:

percents to decimals

a) .02 b) .79 c) 1.35

Step-by-step explanation:

for converting percents to decimals you always move the decimal over to the left 2 times

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1-6. Indicate whether each table or graph represents a proportional
Pie

Answer:

Step-by-step explanation:

Proportional relationship means,

x ∝ y

x = ky

\frac{x}{y}=k where 'k' is the proportionality constant.

From table (1),

\frac{1}{5}=\frac{2}{9}\neq  \text{Constant}

Therefore, relationship is not proportional.

From table (2),

\frac{1}{6}=\frac{3}{18}=\text{constant}

True.

So the relationship will be proportional.

From table (3),

\frac{\text{hours}}{\text{Miles}}= \frac{2}{110}=\frac{5}{175}=\frac{1}{55}

Which is constant.

Therefore, relationship will be proportional.

From table (4),

\frac{\text{Hours}}{\text{Paid}}=\frac{3}{29.25}=\frac{5}{48.75}=0.103

Which is constant for every term.

Therefore, relationship will be proportional.

7 0
3 years ago
Find the product of the following polynomials:
qaws [65]

Answer:

A)  -84x^3 - 8x

B)  -91x^4 + 143x^2 - 65x

C)  12b^2 - 7b - 10.

D)  16x^2 - 72x + 81

Step-by-step explanation:

A) -4x(21x^2-3x+2)  

B) -13x(7x^3-11x+5)

C) (3b+2)(4b-5)

D) (4x-9)^2

In A) -4x(21x^2-3x+2)  we are multiplying the binomial (21x^2-3x+2)  by the monomial -4x; there are two multiplications involved:  

-4x(21x^2) = -84x^3

and

-4x(-3x+2) = +12x^2 - 8x.

Hence A) -4x(21x^2-3x+2)   = -84x^3 - 8x

B)  The work done to find the product in B) is similar:  Multiply each term in 7x^3-11x+5 by -13x:

The end result is -91x^4 + 143x^2 - 65x

C) Here we are multiplying together two binomials; we use the FOIL method:  Multiply together the First terms, then the Outer terms, then the Inner terms, and finally the Last terms.  This results in:

(3b+2)(4b-5)  = 12b^2 -15b + 8b -10, or, after simplification, 12b^2 - 7b - 10.

In D) we are squaring a binomial.  The formula for this is:

(a - b)^2 = a^2 - 2ab + b^2.  Here,

(4x - 9)^2 = 16x^2 - 2(36x) + 81, or 16x^2 - 72x + 81

5 0
3 years ago
How do i solve 0 = x squared + 3​
My name is Ann [436]

Answer:

3

Step-by-step explanation:

0•0=0

0+3=3

7 0
3 years ago
Read 2 more answers
Dahlia is simplifying (3t)^4 using these steps:
Alenkinab [10]
To simplify, we'd simply distribute the power of 4 to each individual within the parentheses

answer = D.
5 0
3 years ago
Read 2 more answers
The following equation is proportional.<br> y = 12<br> True<br> O False
ss7ja [257]

Answer:

True

Step-by-step explanation:

3 0
3 years ago
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