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Furkat [3]
3 years ago
9

Solve for x 5x+15=40

Mathematics
2 answers:
Olegator [25]3 years ago
5 0

Answer:

\displaystyle x=5

Step-by-step explanation:

5x+15=40

Subtract 15 on both sides of the equation.

5x+15-15=40-15

5x=40-15

5x=25

Divide 5 into both sides of the equation.

\displaystyle \frac{5x}{5} =\frac{25}{5}

\displaystyle x=5

Nezavi [6.7K]3 years ago
4 0

Answer: x=5

Step-by-step explanation:

5x+15=40\\

subtract 15 on both sides

5x=25

divide 5 on both sides

x=5

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A solid oblique pyramid has a regular hexagon base with an area of 54_/3 cm^2 and an edge length of 6cm. Angle BAC measures 60 d
Lady_Fox [76]

Answer: The answer is (C) 324 cubic cm.


Step-by-step explanation: As given in the question, given a solid oblique pyramid with a regular hexagonal base and area 54√3 cm². Also, the edge length of the base is 6cm and ∠BAC = 60°.

We are to find the volume of the pyramid.

The formula for finding the volume of a pyramid is given by

V=\dfrac{1}{3}b\times h,

where, 'b' is the base area and 'h' is the perpendicular height of the pyramid.

Here, b = 54√3 cm², h = ?

Now, from the right-angled triangle ABC, we have

\dfrac{\textup{BC}}{\textup{AC}}=\tan 60^\circ\\\\\Rightarrow \dfrac{h}{6}=\sqrt 3\\\\\Rightarrow h=6\sqrt 3.

Therefore, the volume of the pyramid is

V=\dfrac{1}{3}b\times h=\dfrac{1}{3}\times 54\sqrt 3\times 6\sqrt 3=324.

Thus, the required volume is V=324~\textup{cm}^3. This makes (C) as the correct option.



5 0
4 years ago
You hit a golf ball 90 yards. It travels three-fourths of the distance to the hole. Write an equation you can use to find the di
artcher [175]

Answer:

90=3/4 + d

Explanation :

Where:

90 represents the yard

3/4 represents distance travelled by ball

d represents distance from tee to the hole.

Hence:

90=3/4 + d

7 0
3 years ago
Read 2 more answers
Ummm help ig please................
AlexFokin [52]

Answer:

Cost of 500 g of standard pack = € 7.50

Cost of 1 g of standard pack = 7.50/500

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Solve for h. <br>what is h equal to?​
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Step-by-step explanation:

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3 0
3 years ago
A classmate said that AB &amp; DC are complementary and parallel based on the diagram below. Explain your classmate's error. Not
Ugo [173]

Your classmate's error about AB and DC being complimentary and parallel is that they misapplied the alternate angle property.

<h3>Why are AB and DC not parallel?</h3><h3 />

There isn't enough evidence presented in the diagram to say that AB and DC are parallel.

The evidence required would be proof that angle AWZ is equal to angle WZY.

Instead, all we have is that  angle AWZ and angle XYC are equal which does not tell us what we need to know about AB and DC being parallel.

Find out more on properties of parallel lines at brainly.com/question/24607467

#SPJ1

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