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3 years ago

Please help me I need help

Mathematics

2 answers:

Llana [10]3 years ago

5 0

Answer:

Step-by-step explanation:

vodomira [7]3 years ago

4 0

Answer:

Step-by-step explanation:

<em>The measure of the angle B = 180 - (90 + 45) = 45</em>

Now, since ∠A = 45 = ∠B then ABC is an isoceles right angled triangle at point C

then <em>BC = AC = 14</em>

applying the Pythagorean theorem:

$AB=\sqrt{CA^{2}+CB^{2} } = \sqrt{14^{2}+14^{2} } = 14\sqrt{2}$

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Sam found $1.8 After finding the money in his pocket, Sekou finds an additional $0.75 in his backpack. Then he decides to buy a

Kitty [74]

Answer:

Hey there!

Sam's Money=1.80 dollars + 0.75 dollars.

1.80+0.75-1.50=1.05

1.05/0.13= 8.08.

He will be able to buy 8 pieces of gum.

Let me know if this helps :)

7 0

3 years ago

A pool company needs to make a cover for an in-ground pool. The pool cover is made up of the triangle PQT and the parallelogram

Semmy [17]

Answer: 326

Step-by-step explanation:

6 0

3 years ago

If C (Circumfrence) = 314 m, what is the area?

IRINA_888 [86]

Answer:

7850 m^2

Step-by-step explanation:

The circumference of a circle is given by

C = 2*pi *r

314 = 2 * 3.14 *r

314 = 6.28 r

Divide each side by 6.28

314/6.28 = 6.28 r/6.28

50 m= r

Now we need to find the area

A = pi * r^2

A = 3.14 *r^2

A = 3.14 (50)^2

= 3.14 (2500)

7850 m^2

8 0

3 years ago

Solve for x. y +X=b Help!

neonofarm [45]

9514 1404 393

Answer:

x = b - y

Step-by-step explanation:

To get x by itself, subtract y from both sides.

y + x = b . . . . . . . . . given

y - y + x = b - y . . . . subtract y

x = b - y . . . . . . . . . simplify

7 0

3 years ago

Many people who bought Z-Game gaming systems over the holidays have complained that the systems they purchased were defective. I

Bas_tet [7]

Answer:

The upper limit for the 95% confidence interval for the population proportion of defective gaming systems is 0.022

Step-by-step explanation:

Upper Limit for 95% Confidence Interval can be calculated using p+ME where

p is the sample proportion of defective gaming systems ( $\frac{18}{1200} = 0.015$ )

ME is the margin of error from the mean

and margin of error (ME) around the mean can be found using the formula

ME= $\frac{z*\sqrt{p*(1-p)}}{\sqrt{N} }$ where

z is the statistic of 95% confidence level (1.96)

p is the sample proportion ( $\frac{18}{1200}=0.015$

N is the sample size (1200)

Using the numbers we get:

ME= $\frac{1.96*\sqrt{0.015*0.985}}{\sqrt{1200} }$ ≈ 0.007

Then upper limit for the population proportion is 0.015+0.007 =0.022

4 0

4 years ago

Please help me I need help​

Please help me I need help