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4 years ago

How many nickles does it take to make $50?

2 answers:

6 0

There are exactly 20 nickels<span> in a dollar. Each individual nickel is worth 5 cents, and there are 100 cents in a dollar.

So there are 1000 nickles.</span>

Rama09 [41]4 years ago

5 0

There are 20 nickles in one dollar, so 20(nickles in a dollar) x 50(dollars) = 1,000
Hope this helps!

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Grace drew a triangle. Its sides were 12 mm, 10 mm, and 11 mm. It has one obtuse and two acute angles. Complete the sentence to

ddd [48]

Answer:

Scalene triangle

Step-by-step explanation:

-Given that Grace's triangle has 3 different dimensions for all the 3 sides, it is a Scalene triangle.

-A scalene triangle has different measurements for all of its three dimensions.

-Scalene triangles have different measurements for all of its 3 angles.

4 0

3 years ago

What is the average rate of change for ƒ(x) = −3x + 79 over the interval 2 ≤ x ≤ 4?

Ainat [17]

Answer:

The average rate of change is -3.

Step-by-step explanation:

Given : Function $f(x)=-3x+79$ over the interval 2 ≤ x ≤ 4.

To find : What is the average rate of change ?

Solution :

Function $f(x)=-3x+79$ over [2,4]

The rate of change is the slope of the line,

So, $\text{Rate of change}=\frac{f(4)-f(2)}{4-2}$

$f(4)=-3(4)+79$

$f(4)=-12+79$

$f(4)=67$

$f(2)=-3(2)+79$

$f(2)=-6+79$

$f(2)=73$

Substitute,

$\text{Rate of change}=\frac{67-73}{4-2}$

$\text{Rate of change}=\frac{-6}{2}$

$\text{Rate of change}=-3$

Therefore, The average rate of change is -3.

8 0

3 years ago

Read 2 more answers

Which of the following correctly names one of the vertices of the triangle<br> below?

anygoal [31]

M. A vertex is a point at which two line segments meet. M is the only point listed and is a point of intersection.

8 0

4 years ago

Read 2 more answers

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likoan [24]

Answer:

7 miles per hour.

Step-by-step explanation:

Right now, the relationship in the problem represents 3 $\frac{1}{2}$ miles in hours. To find out what the unit rate is (number of miles per mile), we need to multiply both sides of the equation show BeLoW: