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notsponge [240]
3 years ago
7

Solve for x to the nearest tenth.

Mathematics
1 answer:
Liula [17]3 years ago
8 0

Answer: 11.4

Step-by-step explanation:

You might be interested in
In ΔUVW, the measure of ∠W=90°, VW = 32 feet, and WU = 78 feet. Find the measure of ∠V to the nearest degree.
DanielleElmas [232]

Answer: 67.68^{\circ}

Step-by-step explanation:

Given

\angle W=90^{\circ}

VW=32\ ft

WU=78\ ft

from the figure, we can write

\Rightarrow \tan v=\dfrac{UW}{VW}\\\\\Rightarrow \tan v=\dfrac{78}{32}\\\\\Rightarrow \tan v=2.437\\\Rightarrow v=\tan^-1(2.437)\\\Rightarrow v=67.68^{\circ}

7 0
3 years ago
. Gold has a density of 19.32 g/cm3. If a square pyramid has a base edge length of 5 cm, height of 6 cm, and a mass of 942 g, is
trapecia [35]

Answer:

The answer to your question is: It is not made of gold.

Step-by-step explanation:

Data

density = 19.32 g/cm³

side = 5 cm

height = 6 cm

mass = 942 g

Formula

                          V = \frac{1}{3} L^{2}  h

L² = 5 x 5 = 25 cm²

                          V = \frac{1}{3} 25 x 6

                          V = 50 cm³

density = 942 g / 50 cm³

            = 18.84 g/cm³  

It is not made of gold because the density calculated is lower than the density reported in books.

3 0
3 years ago
Read 2 more answers
7.4x + 4.1(2x − 4) = −2.3(x − 6) − 21.6
loris [4]

Answer:

x = \frac{86}{179}

Step-by-step explanation:

7.4x + 4.1(2x − 4) = −2.3(x − 6) − 21.6

Multiply both sides by 10:

7.4x×10+4.1(2x-4)×10=-2.3(x-6)×10-21.6×10

Refine:

74x+41(2x-4)=-23(x-6)-216

Distributive Property:

74x+82x-164=-23(x-6)-216

Combine like terms:

156x-164=-23(x-6)-216

Distributive Property:

156x-164=-23x+138-216

Combine like terms:

156x-164=-23x-78

Add 164 to both sides:

156x-164+164=-23x-78+164

Simplify:

156x=-23x+86

Add 23x to both sides:

156x+23x=-23x+86+23x

Simplify:

179x=86

Divide both sides by 179:

\frac{179x}{179}=\frac{86}{179}

Simplify:

x = \frac{86}{179}

6 0
3 years ago
Someone help please thx in advance
Sedaia [141]
Here’s the correct answer, how I got it, and something to help you for next time :)

7 0
3 years ago
Choose the expression that mathematically represents the difference between ‘3 times a number’ and the quantity ‘5 times another
Trava [24]

Answer:

b. 3x - (5y -7)

Step-by-step explanation:

Let x represent "a number". Let y represent "another number."

The "3 times a number" is represented by 3x.

And "5 times another number less 7" is represented by 5y -7.

The difference between these quantities is the second subtracted from the first:

... 3x - (5y -7) . . . . matches selection b.

4 0
3 years ago
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