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liraira [26]
3 years ago
7

Estimate 58% of 121 by using 10%. show work please​

Mathematics
1 answer:
Setler [38]3 years ago
5 0

Answer:

58% of 121 by using 10% is 70.18.

Step-by-step explanation:

58% is about equal to 60%, or 6 times 10%. 10% of 121 is 12.1.

12.1 * 6 = 72.6

To take this further, 58% is 2% less than 60%, or 2 times 1%. 1% of 121 is 1.21.

72.6  - (1.21 * 2) = 72.6 - 2.42 = 70.18

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Help me please i don’t have my notes and I forget how to do this
Mumz [18]

Answer:

AC = AB + BC

18 = (2X - 4) + (3X + 2)

18 = 5X - 2 ( add/subtract like terms)

20 = 5X (-2 take over otherside - 18 + 2)

X = 4

SUB X INTO AB AND BC

AB = 2(4) - 4 = 4

BC = 3(4) + 2 = 14

5 0
3 years ago
mrs jacobson asks each group of students to write an expression equivalent to the model shown. which group is incorrect expressi
madreJ [45]
Where is the model. To answer I need the model.
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3 years ago
You have a map of an area in France. The scale used is 2cm:8km. You want to ride to a national park. The park is shown on the ma
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Divide the distance on the map by 2 to get the number of 8km segments there are, then multiply that by 8km for total distance.

16 cm / 2cm = 8

8 x 8km = 64km total.

8 0
3 years ago
Suppose that circles R and S have a central angle measuring 80°. Additionally, the measure of the sector for circle R is
riadik2000 [5.3K]
The correct answer is B) 9 m.

The measure of the sector of circle R is 32π/9 m.  The measure of the central angle is 80°.  This means that the sector is 80/360 = 2/9 of the circle.  The area of a circle is given by A=πr², so the area of the sector is A=2/9πr².  To verify this, 2/9π(4²) = 2/9π(16) = 32π/9.

Using this same formula for circle S, we will work backward to find the radius:

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Multiply both sides by 9:
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Divide both sides by 2π:
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6 0
3 years ago
Read 2 more answers
What is the range of the relation[(-5,0),(-4,-3),(-3,4),(-1,0),(-4,-1)]
vesna_86 [32]

The range is the set of values that the relation takes for the domain for which it is defined.

Is the set of values of the dependent variable.

In this case, we have the relation [(-5,0),(-4,-3),(-3,4),(-1,0),(-4,-1)]​.

The dependant variable takes the values: 0, -3, 4, 0 and -1. Some values are repeated.

We put the repeated values only once and sort to write the range.

Then, the range is R = {-3, -1, 0, 4}.

Answer: Range = {-3, -1, 0, 4}

4 0
1 year ago
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