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Aloiza [94]
2 years ago
6

I need to increase the numbers of customers I talk to daily by 20%. I talk to an average of 8 customers per hour during an 8 hou

r shift so now I’ll need to talk to ____ customers per day”
Mathematics
1 answer:
irina [24]2 years ago
4 0

Answer:77

Step-by-step explanation:Talk to 8 customers per hour, work 8 hours, so:Talk to 8*8 = 64 customers.

Has to increase by 20%, so 64 is multiplied by 1 + 0.2 = 1.2. Then64*1.2 = 76.8Rounding up, 77 is the answer.

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A piece of wood is 1.75 meter long A carpenter saws off 0.8 meter from it. Then he saws the remaining piece into 2 pieces of equ
riadik2000 [5.3K]
1.75-0.8= 0.95m
0.95/2. to get equal halves would be 0.475m just under half a meter
5 0
3 years ago
I need help with exercises 3,4, and 6 please show all work and don’t answer number 5 just tell me if it is correct
joja [24]
*If you need me to do #5, DM me!

3. 
The area of a triangle can be given by (just plug and chug as always):
A_t = \frac{1}{2} bh = \frac{1}{2}(3)(4) = 6ft^2
The area of the triangle is 6ft².

4. I will divide into a triangle and a rectangle (because the actual equation for the area of a pentagon requires it to be a perfect pentagon). Let's do the triangle first (height is 3 because you subtract 12 from 15):
A_t = \frac{1}{2} bh = \frac{1}{2}(8)(3) = 12m^2
A_r = bh = 12(8) = 96m^2
Now we just add them:
96+12 = 108m^2

So, the area of that pentagon is 108m².

5. You are actually wrong on this one because the area of a triangle is:
A_t = \frac{1}{2}bh
So, just halve your answer and it will be correct.

6. We can just split it into 4 triangles of equal area and then multiply the area of 1 triangle by 4 to get the total area. Let's do just that:
A_t = \frac{1}{2}bh = \frac{1}{2}(2.5)(5) = 6.25cm^2
Multiply by 4 to get total area:
6.25*4 = 25cm^2

So, the area of the given rhombus is 25cm².
8 0
3 years ago
Did I find the area of the composite figures correctly in the pic? If not, help pls?
Annette [7]
No, in problem 1
you said that area of triangle=bh when it should be 1/2bh
the area should be 9 not 18 so triange=9
aera of rectangle is correct
so
27+9=36 in^2 is answer



2. it is 1 rectangle 1 triangle 1 square  you forgot the square
rectangle=12 times 4=48
square=4 times 4=16
triangle=1/2bh=1/2(8)4=16
add

48+16+16=80 in^2


remember that
triangle=1/2(base times height)
draw immaginary lines and split shapes, it could help to seperate shapes or/and mmove them around and regroup them
8 0
3 years ago
The diameter of the base of the cone measures 8 units. The height measures 6 units
daser333 [38]

For this case we can find the volume and area of the cone:

V = \frac {\pi * r ^ 2 * h} {3}

Where:

V: It's the volume

A: It's the radius of the base

h: It's the height

We have to:

r = \frac {8} {2} = 4 \ units\\h = 6 \ units

Substituting:

V = \frac {\pi * 4 ^ 2 * 6} {3}\\V = \frac {96 * \pi} {3}\\V = 32 \pi \ units ^ 3

On the other hand, the area of the cone is given by:

A = \pi * r * g +  \pi * r ^ 2

Where:

A: It's the radio

g: It is the generator of the cone.

g = \sqrt {h ^ 2 + r ^ 2} = \sqrt {6 ^ 2 + 4 ^ 2} = \sqrt {36 + 16} = \sqrt {52} = 7.2

SW:

A = \pi * 4 * 7.2 + \pi * 4 ^ 2\\A = 28.8 \pi + 16 \pi\\A = 44.8 \pi \ units ^ 2

Answer:

V = 32 \pi \ units ^ 3\\A = 44.8 \pi \ units ^ 2

7 0
3 years ago
Write 115.9% as a fraction
Lemur [1.5K]
1 \ \% = \frac{1}{100}\\ \\115.9 \ \%= 115.9 *\frac{1}{100}=\frac{115.9}{100} *\frac{10}{10}=\frac{1159}{1000}


6 0
3 years ago
Read 2 more answers
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