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Vsevolod [243]
3 years ago
8

HELP ASAP PLEASE!11!

Mathematics
2 answers:
Sonbull [250]3 years ago
7 0
4 is the value that would make the sentence true
vlabodo [156]3 years ago
3 0

Answer:

Answer is 4

Step-by-step explanation:

8+(3x4) = (2x2) + (4x4)

8+12 = 4+16

20=20

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Could someone help here, thankyou!
ludmilkaskok [199]

Answer:

x = 6 cm

Step-by-step explanation:

Given ratio of sides of similar figures = a : b , then

ratio of areas = a² : b²

Here ratio of areas = 5 : 45 = 1 : 9 , so

ratio of sides = \sqrt{1} : \sqrt{9} = 1 : 3

Thus side of B is 3 times side of A

x = 3 × 2 = 6 cm

3 0
2 years ago
At a bargain store, Beast Boy bought 5 items that each cost the same amount. Cyborg bought 8 items that each cost the same amoun
Pepsi [2]

Answer:

Is this Teen Titans Go? do do do do do do do do do do do do do do of odor of o

4 0
3 years ago
Below are tabulated a number of Rockwell G hardness values that were measured on a single steel specimen. Compute
Mashcka [7]

Answer:

a) 48.408

b) 1.235

Step-by-step explanation:

a)

The average hardness value xbar can be computed as

xbar=sum of values/number of values

xbar=(46.5+46.9+49.4+50.3+49.8+48.8+47+47.7+48.3+49.4+47.8+49)/12

xbar=580.9/12

xbar=48.408 (rounded to 3 decimal places).

The average hardness value is 48.408.

b)

The standard deviation hardness value s can be computed as

s=\sqrt{\frac{sum(x-xbar)^2}{n-1} }

x              x-xbar  (x-xbar) ²

46.5  -1.90833 3.64174

46.9  -1.50833 2.27507

49.4    0.99167 0.98340

50.3     1.89167 3.57840

49.8     1.39167 1.93674

48.8    0.39167 0.15340

47.0           -1.40833 1.98340

47.7   -0.70833 0.50174

48.3           -0.10833 0.01174

49.4    0.99167  0.98340

47.8           -0.60833 0.37007

49.0    0.59167 0.35007

Total                               16.7692

s=\sqrt{\frac{16.7692}{12-1} }

s=\sqrt{\frac{16.7692}{11} }

s=\sqrt{1.5245}

s=1.2347

s=1.235 (rounded to 3 decimal places)

The standard deviation hardness value is 1.235.

4 0
3 years ago
Does anybody have the backward 3 with a dot on the top and bottom symbol for and? If so can somebody please put it in the answer
MA_775_DIABLO [31]

Answer:

.

Step-by-step explanation:

6 0
2 years ago
The graph of y = x 2 has been translated 7 units to the left. The equation of the resulting parabola is _____.
strojnjashka [21]
To move the function to the left you have to increase x inside the function
think of it like g(x)=f(x+7)

the solution is
y=(x+7)^2
6 0
3 years ago
Read 2 more answers
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