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2 years ago

First to answer correctly gets brainlesit! and 10 pts:)

Mathematics

1 answer:

pshichka [43]2 years ago

3 0

Answer:

Answer is A. It has a slope of 45, the y intercept is 30 and it is proportional.

Equation of the function : y = 45x + 30

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Helpppppppppppppppppppppppp

kupik [55]

Answer:

$360\ cm^2$

Step-by-step explanation:

Step 1: Determine the area of the bottom rectangle

$A = l * w$

$A = 10\ cm * 12\ cm$

$A = 120\ cm^2$

Step 2: Determine the area of the back rectangle

$A = l * w$

$A = 10\ cm * 5\ cm$

$A = 50\ cm^2$

Step 3: Determine the area of the top rectangle

$A = l * w$

$A = 10\ cm * 13\ cm$

$A = 130\ cm^2$

Step 4: Determine the area of the triangle

$A = \frac{h*b}{2}$

$A = \frac{5\ cm * 12\ cm}{2}$

$A = \frac{60\ cm^2}{2}$

$A = 30\ cm^2$

Step 5: Determine the surface area

$120\ cm^2 + 50\ cm^2 + 130\ cm^2 + 2(30\ cm^2)$

$360\ cm^2$

Answer: $360\ cm^2$

4 0

2 years ago

Which expression could be used to determine the reduction of -4 and 3 1/4

Setler79 [48]

Answer:

The expression that could be used is (-4)(3) + (-4)( $\frac{1}{4}$ ) ⇒ B

Step-by-step explanation:

Let us revise the distributive property:

The product of a number and the sum of 2 other numbers equal to the sum of the products of the number with the other 2 numbers

a(b + c) = ab + ac

We will use this rule to solve the question

∵ The product of -4 and 3 $\frac{1}{4}$ = -4 × 3 $\frac{1}{4}$

→ We can right 3 $\frac{1}{4}$ as (3 + $\frac{1}{4}$ )

∵ 3 $\frac{1}{4}$ = (3 + $\frac{1}{4}$ )

∴ -4 × 3 $\frac{1}{4}$ = -4(3 + $\frac{1}{4}$ )

→ By using the rule above

∵ -4(3 + $\frac{1}{4}$ ) = (-4)(3) + (-4)( $\frac{1}{4}$ )

∴ -4 × 3 $\frac{1}{4}$ = (-4)(3) + (-4)( $\frac{1}{4}$ )

∴ The expression that could be used is (-4)(3) + (-4)( $\frac{1}{4}$ )

3 0

2 years ago

Ingrid deposit $10,000 in an IRA what will be the value of her investment six years if the investment earning 3.2% per year and

enyata [817]

Answer:

$12116.71

Step-by-step explanation:

Given

Deposit = $10000
Interest rate = 3.2% PA
Interest type = compound
Frequency = continuous
Time = 6 years

Calculation

Total = 10000*e^(rt) = 10000*e^(0.032*6) = $12116.71

7 0

2 years ago

Consider the survey descriptions shown. Survey 1: A township employee surveys all 118 workers at a shopping mall to learn about

sweet [91]

Answer:

3,2,1

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

#20

yKpoI14uk [10]

0.48 miles

Step-by-step explanation:

Step 1

It is given that the grade(slope) is 4%. This means that for every 100 miles traveled, the elevation changes by 4 miles.

Step 2

Hence for a distance of 12 miles , the elevation changes by 12*4/100 = 48/100 = 0.48 miles. [Using direct proportion]

6 0

2 years ago