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3 years ago

Solve the equation. 3.9 + x = − 8

Mathematics

2 answers:

Ulleksa [173]3 years ago

7 0

Answer:

-11.9

Step-by-step explanation:

AnnZ [28]3 years ago

5 0

Answer:

x= -11.9

Step-by-step explanation:

-8 - 3.9 = -11.9

-11.9+ 3.9 = -8

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3-^1 x (4 x 6) x 2-^3

xeze [42]

$\huge{ \boxed{ \mathbf{ \blue{Problem:-}}}}$

$\bold{ {3}^{ - 1 \ } (4 \times 6) \times {2}^{ - 3} }$

$\huge{ \boxed{ \bf{ \blue{Solution:-}}}}$

$\bold{ {3}^{ - 1}(4 \times 6) \times {2}^{ - 3} }$

$= \bold{ \frac{1}{3}^{1} (4 \times 6) \times { \frac{1}{2}^{3} } }$

$= \bold{ \frac{1}{3} \times 24 \times \frac{1}{8} }$

$\bold{= 1}$

<h3>〜Hope it's helpful</h3>

4 0

3 years ago

Read 2 more answers

Solve the equations -7x - 93 = 150 + 2x

mario62 [17]

Answer:

X=-27

Step-by-step explanation:

So -9x=150+93

Or -9x=243

So x=-27

5 0

3 years ago

Read 2 more answers

The figure below is a regular octagon with a side length of 8 inches.

Masteriza [31]

Answer:

309in²

Step-by-step explanation:

Area of an octagon is expressed as;

A=2(1+√2)a²

a is the side length of the octagon

Given

a = 8

Substitute into the formula

A = 2(1+√2)(8)²

A = 2(1+√2)(64)

Expand

A = 2(64+64√2)

A = 128+128√2

A = 128+128(1.414)

A = 128+181.01

A = 309in²

Hence the area of the octagon is 309in²

3 0

2 years ago

A factory inspector found 3 defective microchips out of a total of 750

Y_Kistochka [10]

Answer:

Option B

Step-by-step explanation:

Proportion of number of defective pieces to the number of microchips in a batch can be represented by the ratio = $\frac{\text{Number of microchips not in good condition}}{\text{Total numbers of microchips}}$

If 3 microchips are defective in a batch of 750 microchips,

Proportion = $\frac{3}{750}$

If 'x' chips are defective in a batch of 10000 microchips,

Proportion = $\frac{x}{10000}$

If both the proportions are equal,

$\frac{3}{750}=\frac{x}{10000}$

Therefore, Option B will be the answer.

5 0

3 years ago

Find the slope of the line containing the pair of points. (2, -9) and (12,6)

dusya [7]

Answer:

slope = $\frac{3}{2}$

Step-by-step explanation:

calculate the slope m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (2, - 9 ) and (x₂, y₂ ) = (12, 6 )

m = $\frac{6-(-9)}{12-2}$ = $\frac{6+9}{10}$ = $\frac{15}{10}$ = $\frac{3}{2}$

5 0

1 year ago