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Basile [38]
3 years ago
14

What is 0.4x + 6.1 for x

Mathematics
2 answers:
aivan3 [116]3 years ago
6 0
Its x = - 15.25 if thats it?
garik1379 [7]3 years ago
3 0
<span>0.4x + 6.1 = 0
0.4x = - 6.1
x = - 6.1 / 0.4
x = - 15.25</span>
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2. Samuel used clay to make a diorama of the pyramids in Ancient Egypt. He made two triangular pyramids and three rectangular py
zalisa [80]

Answer:

124.16 cubic meter of clay will be used to create all the pyramids

Step-by-step explanation:

The remaining part of the question is given in the attached file

Solution

The total clay used is equal to the sum of volumes of two triangular and three rectangular pyramids.

For Rectangular Pyramid,

Volume of three rectangular pyramids

3 * \frac{BH}{3} = BH

Substituting the given values in above equation, we get -

15.5 * 5 = 77.5 cubic centimeter

For triangular Pyramid,

Volume of two  triangular pyramids

2 * \frac{BH}{3}\\2 * \frac{10 * 7}{3}

46.67  cubic centimeter

Total clay used = Volume of 3 rectangular pyramid + volume of 2 triangular pyramid = 77.7 + 46.67 = 124.16 Cubic centimeter

5 0
2 years ago
Please help me I need help I have no idea what is this
balandron [24]

Answer:

523

Step-by-step explanation:

7 0
3 years ago
Solve for x -3x+15=4x-6
Westkost [7]

Answer:

the answer is x=3

Step-by-step explanation:

Try using Symbolab, I use it all the time it gives the correct answer and it gives good explanations.

hope this helps :)

3 0
2 years ago
Find the area of a triangle with a base of 8cm and a height of 10cm
Vinil7 [7]
B x h = 8 x 10 = 80. 80 divided by 2 is 40 so 40cm
6 0
3 years ago
Read 2 more answers
Find the midpoint of the line segment that joins points P(-4,3) and Q(9,14)?
k0ka [10]

Given the following points:

Point P: (-4, 3)

Point Q: (9, 14)

To be able to find the midpoint of the line segment, we will be using the following formula:

\text{ Midpoint = }\frac{x_1+x_2}{2},\frac{y_1+y_2_{}}{2}

We get,

\text{ Midpoint = }\frac{x_1+x_2}{2},\frac{y_1+y_2}{2}\text{= }\frac{(-4)+(9)_{}}{2},\frac{3_{}+14_{}}{2}\text{ = }\frac{5}{2},\frac{17}{2}

Therefore, the midpoint of the line segment is 5/2, 17/2.

7 0
1 year ago
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