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2 years ago

Find the surface area of the figure below. Round to the nearest tenth if

Mathematics

1 answer:

astra-53 [7]2 years ago

5 0

Answer:

Is that in math bro!

Step-by-step explanation:

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Pls answer me this all question

Scorpion4ik [409]

Answer:

a. $5 \frac{21}{40}$

b. $\frac{1}{42}$

Step-by-step explanation:

$a. \: 12 \frac{2}{5} - 6 \frac{7}{8}$

$\frac{62}{5} - \frac{55}{8}$

$\frac{62}{8} \times \frac{8}{8} - \frac{55}{8} \times \frac{5}{5}$

$\frac{62 \times 8 - 55 \times 5}{40}$

$\frac{221}{40}$

$5 \frac{21}{40}$

$b. \: \frac{3}{14} - \frac{4}{21}$

$\frac{3}{14} \times \frac{3}{3} - \frac{4}{21} \times \frac{2}{2}$

$\frac{3 \times 3}{42} - \frac{4 \times 2}{42}$

$\frac{1}{42}$

Hope it is helpful....

5 0

2 years ago

Read 2 more answers

Consider the following linear equation.y = -1-Step 1 of 2: Determine the slope and the y-intercept (entered as an ordered pair)

Dmitriy789 [7]

Recall that a slope-intercept form of a linear equation is

$\begin{gathered} y=mx+b \\ \text{where} \\ m\text{ is the slope} \\ b\text{ is the y-intercept} \end{gathered}$

Rearrange the given so that it follows that slope intercept form

$\begin{gathered} y=-1-\frac{2}{5}x\Longrightarrow y=-\frac{2}{5}x-1 \\ \\ \text{Now that it is in the slope intercept form} \\ y=-\frac{2}{5}x-1 \\ \text{we can determine that the slope is } \\ m=-\frac{2}{5} \\ \text{and the y-intercept is} \\ b=-1 \end{gathered}$

The y-intercept is the value for which the linear function crosses the y-axis, this is when the value of x is equal to zero. The ordered pair therefore of the y-intercept is (0,-1).

8 0

1 year ago

Write a proof for the conjecture using the contrapositive. <br> If 5x + 7 = -13, then x = -4.

KonstantinChe [14]

Answer:

ans x=4

Step-by-step explanation:

5x + 7 = -13
5x = -13 -7
5x= -20
x = -20/5
x = -4
so the answer is x= -4

3 0

2 years ago

Agustin solved an equation as shown. What error did Agustin make? What is the correct answer?

Hitman42 [59]

Subtract 3/4x from both sides

1/3x-4-3/4x= 3/4x+1-3/4x

-5/12x-4=1

Add 4 to both sides

-5/12x-4+4=1+4

-5/12x=5

Multiply both sides by 12/(-5)

(12/-5)*(-5/12x)= (12/-5)*(5)

x= 12

I hope that's help.

3 0

2 years ago

PLEASE HELP URGENT!!!!

Dovator [93]

Answer:

£ 21552.13

Step-by-step explanation:

P= £18790

r =4.9% = $\frac{4.9}{100}=0.049$

t = 3 years

I = Prt

I = 18790 * 0.049 * 3

=£ 2762.13

After 3 years , the amount in Dan's account = 18790 + 2762.13

= £ 21552.13

7 0

2 years ago