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3 years ago

NEED HELP 10 POINTS

Mathematics

1 answer:

leonid [27]3 years ago

6 0

48.8 megabytes. When the download is 17.5% complete, have been downloaded 48.8 megabytes.

The key to solve this problem is using the rule of three.

If 279Mb -------------> 100%

x <------------- 17.5%

x = [(279 megabytes)(17.5)]/100

x = 48.825 megabytes

Round to the nearest tenth 48.8 megabytes.

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The board of directors of a company knows that the probability that the carbon emission from the company’s manufacturing unit is

enyata [817]

the company's production unit has a risk of carbon emission

the probability that the company is exceeding the permissible level is 35% =0.35

so there can only be two possibilities, either the company is exceeding the permissible level or its within the permissible level.

and the accuracy of the test that tests the emission level is 85%

so the probability that the carbon emission is within the permissible level is

1 - 0.35 = 0.65

probability that the test measures this accurately is 0.85

therefore when checking the probability that both events happen we have to multiply the 2 probabilities

the probability that carbon emission is within the permissible level and test predicts this outcome is - 0.65 x 0.85 = 0.5525

answer is D.0.5525

6 0

2 years ago

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Teresa gave two-thirds of her peanuts to Gabe. Then she gave ine-half of the remaining peanuts to Carlos. She had 1 peanuts left

alukav5142 [94]

Answer:

Brainliest

Step-by-step explanation:

1 peanut before giving half

1 +1 = 2

2 before giving 2/3

2 x 3/2 = 6/2 = <em><u>3</u></em>

4 0

3 years ago

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PLS HELP I GIVE BRAINLIEST

barxatty [35]

Answer:

Step-by-step explanation:

If ΔLMN ≅ ΔXYZ, then corresponding angles and corresponding segments are congruent:

∠L ≅ ∠X

∠M ≅ ∠Y

∠N ≅ ∠Z

and

LM ≅ XY

MN ≅ YZ

LN ≅ XZ

7 0

2 years ago

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Unit 7 polygons & quadrilaterals homework 3: rectangles Gina Wilson answer key

Irina-Kira [14]

Answer:

In the image attached you can find the Unit 7 homework.

We need to findt he missing measures of each figure.

Notice that the first figure is a rectangle, which means opposite sides are congruent so,

VY = 19

WX = 19

YX = 31

VW = 31

To find the diagonals we need to use Pythagorean's Theorem, where the diagonals are hypothenuses.

$VX^{2}=19^{2}+31^{2}\\ VX=\sqrt{361+961}=\sqrt{1322} \\VX \approx 36.36$

Also, $YW \approx 36.36$ , beacuse rectangles have congruent diagonals, which intercect equally.

That means, $ZX = \frac{VX}{2} \approx \frac{36.36}{2}\approx 18.18$

Figure number two is also a rectangle.

If GH = 14, that means diagonal GE = 28, because diagonals intersect in equal parts.

Now, GF = 11, because rectangles have opposite sides congruent.

DF = 28, because in a reactangle, diagonals are congruent.

HF = 14, because its half of a diagonal.

To find side DG, we need to use Pythagorean's Theorem, where GE is hypothenuse

$GE ^{2}=11^{2}+DG^{2}\\28^{2}-11^{2}=DG^{2}\\DG=\sqrt{784-121}=\sqrt{663}\\ DG \approx 25.75$

This figure is also a rectangle, which means all four interior angles are right, that is, equal to 90°, which means angle 11 and the 59° angle are complementary, so

$\angle 11 +59\°=90\°\\\angle 11=90\°-59\°\\\angle 11=31\°$

Now, angles 11 and 4 are alternate interior angles which are congruent, because a rectangle has opposite congruent and parallel sides.

$\angle 4 = 31\°$

Which means $\angle 3 = 59\°$ , beacuse it's the complement for angle 4.

Now, $\angle 6 = 59\°$ , because it's a base angle of a isosceles triangle. Remember that in a rectangle, diagonals are congruent, and they intersect equally, which creates isosceles triangles.