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lina2011 [118]
3 years ago
8

The math question is in the photo!

Mathematics
2 answers:
Scorpion4ik [409]3 years ago
8 0

Answer:

everything except for C

Step-by-step explanation:

A - √2 is definitely over 1, so if you add a 4 to that, you'll get an answer over 5. (yes)

B - π is about 3.14, and since it's multiplied with 2, you'll obviously get a number greater than 5. in this case though, it'll be around 6.3. (yes)

C - √28 is a little greater than √25, so you can estimate using that. 15/5 is 3, and 5.2 - 3 is 2.2. (no)

D - √7 is around 2.7. if you divide 29 by that, you'll get an answer great than 10. (yes)

BaLLatris [955]3 years ago
7 0

A) 4+√2 is roughly equal to 5.66

B) 2 pi is roughly equal to 6.28

C) 5.2 - 15/√28 is roughly equal to -74.17

D) 29/√7 is roughly equal to 10.96

So the answers would be A, B, and D.

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What is 9% of 42 pls help fast!
joja [24]

Answer:

3.78

Step-by-step explanation:

Percentage solution with steps:

Step 1: We make the assumption that 9 is 100% since it is our output value.

Step 2: We next represent the value we seek with $x$.

Step 3: From step 1, it follows that $100\%=9$.

Step 4: In the same vein, $x\%=42$.

Step 5: This gives us a pair of simple equations:

$100\%=9(1)$.

$x\%=42(2)$.

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS

(left hand side) of both equations have the same unit (%); we have

$\frac{100\%}{x\%}=\frac{9}{42}$

Step 7: Taking the inverse (or reciprocal) of both sides yields

$\frac{x\%}{100\%}=\frac{42}{9}$

$\Rightarrow x=466.67\%$

Therefore, $42$ is $466.67\%$ of $9$.

4 0
3 years ago
Read 2 more answers
What is the most accurate estimation of 65+77
Y_Kistochka [10]
About 142ish i think. sorry if it's not the answer you were looking for.
3 0
3 years ago
Which equation describes a line parallel<br> to y= 4x+ 5 through point (-2, 1)?
Tema [17]

Hi there!

For a line to be PARALLEL, it must contain the same slope.

The given line has a slope of 4, so we can use the point-slope formula to solve:

\large\boxed{y - y_1 = m(x - x_1)}

y1 = y-coordinate of given point

x1 = x-coordinate of given point

m = slope

Plug in the values:

y - 1 = 4(x - (-2))\\\\y - 1 = 4(x + 2)

Simplify:

y - 1 = 4x + 8\\\\\boxed{y = 4x + 9}

8 0
3 years ago
Jacob rides a bicycle with 30 inch (2.5 feet) wheels. He can travel 150 revolutions in one minute. At this rate, what is the dis
Brut [27]

Answer:

≈ 1.8 km

Step-by-step explanation:

150*5= 750 revs total

d= 2.5 ft

C=πd= 2.5*3.14= 7.85 ft

Distance= 7.85*750= 5887.5 ft ≈ 1.8 km

6 0
4 years ago
Helppp 100pts
frosja888 [35]

Answer:

.83

Step-by-step explanation:

If you take 100 shows 60 shows got favorable response and in that 50 shows were successful.

So probability for a show to be successful if it got a favorable response is = 50/60 = 0.83

8 0
4 years ago
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