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Marysya12 [62]
3 years ago
9

An 8-bar package of soap sells for $4.00. What is the unit rate in cost per bar

Mathematics
1 answer:
LekaFEV [45]3 years ago
3 0
8 x .50 = $4.00
Therefore the answer will be .50
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Evaluate f(x)=-x^2+1 for x=-3
Wewaii [24]

For this case we have a function of the form y = f (x), where:

f (x) = - x ^ 2 + 1

We must evaluate the function for x = -3

Then we have to replace:

f (-3) = - (- 3) ^ 2 + 1\\f (-3) = - 9 + 1

Different signs are subtracted and the sign of the major is placed:

f (-3) = - 8

ANswer:

f (-3) = - 8

8 0
3 years ago
What is the perimeter, P, of a rectangle that has a length of (x + 8) and a width of (x − 1)? Show all work.
exis [7]

Answer:

4x + 14

Step-by-step explanation:

From the question,

L =(x + 8)

W =(x -1)

Perimeter of a rectangle

= 2(L + B)

P = 2( x+8 + x-1)

Using distributive property

We have

2xx +2x8 + 2xx -2x1

2x + 16 +2x -2

2x + 2x +16 -2

4x + 14

5 0
4 years ago
Help please thank you
Black_prince [1.1K]

Answer:

arithmetic series

Step-by-step explanation:

We are adding 1 each time , so this is an arithmetic sequence

a1 =5

The common difference is 1  so d=1

an = a1+d(n-1)

an = 5 + 1(n-1)

an = 5+n-1

an = n+4

If we have an arithmetic sequence, we have an arithmetic series when we add the arithmetic sequence

5 0
3 years ago
Find the outlier of the data set<br> 3.1, 5.3, 4.3, 0.7, 5.6, 5.2, 5.8, 5.4
Vilka [71]
0.7

Low outlier = Q1 - 1.5(IQR)
High outlier = Q3 + 1.5(IQR)
5 0
4 years ago
An arc of length 8 in. is intersected by a central angle in a circle with a radius of 3 in. What is the measure of the angle? Ro
mina [271]
Given:
Arc length = 8 inches
radius = 3 inches
find the measure of the central angle.

Arc length = radius * central angle
central angle = arc length / radius
central angle = 8 inches / 3 inches
central angle = 2.667 (radian)

Central angle in degrees  = 152.88°

Circumference of the circle = 2 * 3.14 * 3 inches = 18.84 inches
1 circle = 360° / 18.84 inches = 19.11° per inch
19.11° per inches * 8 inches of arc length = 152.88°

5 0
4 years ago
Read 2 more answers
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