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3 years ago

Which expressions are equivalent to 64 Superscript 1? Check all that apply.

Mathematics

2 answers:

Katena32 [7]3 years ago

7 0

Answer:

A,C,F

Step-by-step explanation:

MatroZZZ [7]3 years ago

6 0

Answer:

c d

Step-by-step explanation:

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The actual length of Lake Superior is 350 miles and the width is 160 miles. What's the length and width of the lake on a map if

pentagon [3]

The correct option is: B. length: 14 cm, width: 6.4 cm

Explanation

The actual length of Lake Superior is 350 miles and the width is 160 miles.

The scale is given as: 1 cm = 25 miles

Suppose, the length and width of the lake on the map are $x$ cm and $y$ cm respectively.

First, the equation according to the ratio of scaled length to the actual length will be....

$\frac{x}{350}=\frac{1}{25}\\ \\ 25x=350\\ \\ x=\frac{350}{25}=14$

Now, the equation according to the ratio of scaled width to the actual width will be....

$\frac{y}{160}=\frac{1}{25}\\ \\ 25y=160\\ \\ y=\frac{160}{25}=6.4$

Thus, the length and width of the lake on the map will be 14 cm and 6.4 cm respectively.

7 0

3 years ago

A teapot is 1/3 full of tea. When all of the tea is poured into an empty container, the container is 2/3 full. What fraction of

sineoko [7]

Answer:

2/3

Step-by-step explanation:

2/3 of the team from the teapot is needed to fill 1 container

6 0

3 years ago

What is the vintercept of the line whose equation is y= 1/2x-3

klemol [59]

Answer:

The y-intercept of line is (-3)

Step-by-step explanation:

Given equation of line is given by y= $\frac{1}{2}x-3$

The general equation of line is given y=mx+c

Where, m= slope of line

c= y-intercept of line

On comparing both the equation.

c=(-3)

y-intercept is when x=0,

therefore,

y= $\frac{1}{2}x-3$

y= $\frac{1}{2}(0)-3$

y=(-3)

Thus, y-intercept of line is (-3)

8 0

3 years ago

The ratio of the weight of an object on Mars to the weight of an object on earth is 0.4 to 1. How much would a 170 pound astrona

Rama09 [41]

Multiply $170\cdot0.4=68$

A 170 pound astronaut would weigh 68 pounds on mars.

Hope this helps :)

3 0

3 years ago

Which expression is equivalent to 5r+11r−2? A: 16r-2 B: 14r C: 5r+9 D: 3r+9

erik [133]

Answer:

Step-by-step explanation:

$5r + 11r - 2 \\ = 16r - 2$

5 0

2 years ago