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3 years ago

7

A bag contains white marables and red marables,126 in total.the number of white marables is 6 more than 5 times the number of re

d marables.how many marables are there

1 answer:

Tanya [424]3 years ago

6 0

Answer:

126

Step-by-step explanation:

you typed a bag contains white marables and red marables, <u><em>126 in total</em></u>.

please tell me if i read it wrong.

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Use the figure below to answer the questions.

Archy [21]

Answer:

a. What is the name of the 3D shape?

The name of the 3D shape is Prism

b. What is the formula for total surface area for this shape?

Total surface area:

$S=2A_{b}+P_{b}h$

c. What is the surface area of the figure?

The surface area of the figure is 144 cm²

Step-by-step explanation:

a. What is the name of the 3D shape?

The 3D shape has two congruent and parallel faces (triangles) and the other faces are parallelograms, then the 3D shape is a prism

b. What is the formula for total surface area for this shape?

Total Surface area:

$S=2A_{b}+P_{b}h$

where:

Area of the base of the prism: Ab

Perimeter of the base: Pb

Height of the prism: h

c. What is the surface area of the figure?

The base of the prism is a triangle. Then to calculate the area of the base, we must use the formula to calculate the area of a triangle:

$A_{b}=\frac{bh}{2}\\ A_{b}=\frac{(4 cm)(3 cm)}{2}\\ A_{b}=\frac{12cm^{2} }{2}\\ A_{b}=6cm^{2}$

The perimeter of the base is the perimeter of the triangle, equal to the sum of the sides of the triangle:

$P_{b}=4cm+3cm+5cm\\ P_{b}=12cm$

h: Height of the prism is the distance between the bases of the prism (the triangle), then h=11 cm

Then, replacing in the formula the known values:

$S=2(6 cm^{2})+(12 cm)(11 cm)\\ S=12 cm^{2}+132 cm^{2}\\ S=144 cm^{2}$

8 0

3 years ago

Solve -2x ≤ -4. Graph the solution

horsena [70]

Https://us-static.z-dn.net/files/d2a/4dd214e6e402aa7e840049f27983c856.jpeg

3 0

3 years ago

Help how do I solve this and how do I do it

Alja [10]

Answer:

C. 30+18x

Step-by-step explanation:

6x5=30

6x3=18

30+18x

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3 years ago

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Determine whether the underlined value is a parameter or a statistic. Upper A study of 6,076 adults in public rest rooms found t

alex41 [277]

Answer:

The value is a statistic because the 6,076 adults in public restrooms are a sample

Step-by-step explanation:

A measure that is calculated from a sample is known as sample statistic.

A study conducted and for the study 6076 adults are selected to inquire about the hand washing habit of adults. The selected 6076 adults are a sample and for this sample we computed the average 23% which demonstrates that 23% of adults did not wash their hands before exiting. So, a statistic is 23% and 6076 adults are a sample.

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3 years ago

Can you help me wiiith this

Mashutka [201]

Answer:

Anthony had 42 months of his gym membership.

Step-by-step explanation:

1. First subtract the $15 activation fee.

2. Then, divide $1,470 by $35 to get the final answer.

3. Enjoy knowing you aced that question.

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3 years ago