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3 years ago

What expression is equivalent to the expression shown? Is 4^9 the correct answer?

Mathematics

1 answer:

mrs_skeptik [129]3 years ago

7 0

The answer is 10^4 x 4^5.
You just have to subtract the powers for the term with 4 as it’s base.

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All 8th grade students at Franklin Middle School

rusak2 [61]

Answer:

B. 125

Step-by-step explanation:

72 did not return the permission slips.

125-72= 53

So therefore 53 students are going on the field trip.

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4 years ago

An 18 ft tall adult giraffe standing next to a statue casts a 9 ft shadow. If the statue is a 10 ft tall, then how long is it’s

sattari [20]

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3 years ago

Pls help me 10 points

yarga [219]

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Step-by-step explanation:

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3 years ago

PROBLEM SOLVING You are participating in an orienteering competition. The diagram shows the position of a river that cuts throug

Wewaii [24]

Answer:

The shortest distance is 2.2 miles

Step-by-step explanation:

we know that

The shortest distance you must travel to reach the river is the perpendicular distance to the river

step 1

Find the slope of the line perpendicular to the river

we have

$y=3x+2$

The slope of the river is m=3

Remember that if two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is -1)

therefore

The slope of the line perpendicular to the river is

$m=-1/3$

step 2

Find the equation of the line into point slope form

$y-y1=m(x-x1)$

we have

$m=-1/3$

$point(2,1)$

substitute

$y-1=-(1/3)(x-2)$

step 3

Find the intersection point of the river and the line perpendicular to the river

we have

$y=3x+2$ ------> equation A

$y-1=-(1/3)(x-2)$ -----> equation B

Solve the system by graphing

The intersection point is (-0.1,1,7)

see the attached figure

step 3

Find the distance between the points (2,1) and (-0,1,1.7)

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

substitute

$d=\sqrt{(1.7-1)^{2}+(-0.1-2)^{2}}$

$d=\sqrt{(0.7)^{2}+(-2.1)^{2}}$

$d=2.2\ miles$

6 0

3 years ago

Please help me im so confused

grigory [225]

Answer:

the answer is 9w+2/3

Step-by-step explanation:

Please mark me branliest

6 0

3 years ago

Read 2 more answers