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koban [17]
3 years ago
8

amirah can type 720 words in 16 minutes,lixin can type 828 words in 18 minutes and shirley can type 798 words in 19 minutes , wh

o is the fastest typist ?
Mathematics
1 answer:
IRISSAK [1]3 years ago
6 0

Answer:

Lixin is the fastest typist

Step-by-step explanation:

Amirah = 45

Lixin = <u>46 </u>

Shirley = 42

We divide the words by minutes which is basically Unit rate

So we take each person and divide by their words and minutes

\frac{words}{minutes}

ALWAYS when ur finding unit rate divide the buggest number by the smallest!

You might be interested in
136 in. to yards, feet, and inches<br><br> __yds<br> __ft<br> __in
denpristay [2]

Answer:

136 inches = 3.77778 yards

136 inches = 11 1

3 feet

Step-by-step explanation:

i belive this is the answer i am so sorry if incorrect ! good luck

3 0
2 years ago
The histogram shows informstion about how 550 peopel travel to work​
irina [24]

Answer:

1) 100 ) 15

Step-by-step explanation:

1) 30 to 50 is 20 miles so 5 * 20 is 100

2)20 to 50 is 30 miles so its 150 and 15 to 20 is 5 so 11 *5 is 55

55+150 equals 250 so the answer is 15 miles.

4 0
3 years ago
Which equation represents the line that is perpendicular to and passes through (-12,6)?.
Evgesh-ka [11]

The equation that represents the line that is perpendicular is

3y + 5x = -42

The standard equation of a line in point-slope form is expressed as:

y-y_1=m(x-x_1)

  • m is the slope of the lne
  • (x1, y1) is any point on the line.

  • Given the equation y = 3/2x + 1, the slope of the line is 3/5

  • The s<u>lope of the line perpendicular</u> is -5/3

Substitute the point (-12, 6) and the slope m = -5/3 into the equation above to have:

y-6=-5/3(x-(-12))\\3(y-6)=-5(x+12)\\3y-18=-5x-60\\3y = -5x - 60 + 18\\3y + 5x = -42\\

Hence the equation that represents the line that is perpendicular is

3y + 5x = -42

Learn more on equation of a line here:brainly.com/question/19417700

7 0
3 years ago
Colin rides his bike 10 and a half miles every morning and 12 and 1/4 miles every afternoon on Monday he wrote his usual distanc
jeka94
12 1/4- 1 1/2 >>> Convert fractions to decimals:
12.25- 1.5 = 10.75 >>> Convert decimals back to fractions:
10 3/4 >>> Add miles from the morning:  10 + 10 3/4 = 20 3/4 miles
3 0
3 years ago
What is the volume of this triangular Pyramid photo attached
storchak [24]

To find the volume of a triangular pyramid, the formula is:

V=\frac{1}{3}(Area\text{ }of\text{ }thebase)(height)

So we start by finding the area of the base, which is in the shape of a right triangle in this case.

The area of a right triangle is equal to 1/2 x base x height.

\begin{gathered} A=\frac{1}{2}bh \\  \\ A=\frac{1}{2}(5)(6) \\  \\ A=15\text{ square feet} \end{gathered}

We use this area to find the volume.

\begin{gathered} V=\frac{1}{3}Ah \\  \\ V=\frac{1}{3}(15)(6) \\  \\ V=30\text{ cubic feet} \end{gathered}

The volume of the triangular pyramid is 30 cubic feet.

3 0
1 year ago
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