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3 years ago

PLEASE HELP ME!!

Mathematics

2 answers:

Mnenie [13.5K]3 years ago

6 0

I feel like the answer is C) compelementary, because when you add angles + angles it’s equals 90 degrees.

BartSMP [9]3 years ago

4 0

Answer:

Complementary

Step-by-step explanation:

Complementary angles are angles that add up to 90 degrees, and since there is a 90 degree sign on the angles this is complementary.

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Can someone please help me with this thank you!!

kotykmax [81]

Answer:

1. add up all of the arcs.

2x+3x+4x-8+x-12

2. all of the arcs equal 360

2x+3x+4x-8+x-12=360

3. Find x

10x-20=360, x=38

4. angle LTE is equal to half of the sum of the intercepted arcs.

.5(arc LE +GF)

5. plug in LE +GF with x

.5(76+144)

LTE=110

8 0

4 years ago

Solve these equations using elimination not substitution? 8x + 3y = 13 3x + 2y = 11 15 Points!

tia_tia [17]

Answer:

x = -1, y = 7

Step-by-step explanation:

8x + 3y = 13

3x + 2y = 11

Multiply the first equation by -2 and the second equation by 3. Then add them.

-16x - 6y = -26

(+) 9x + 6y = 33

--------------------------

-7x = 7

x = -1

Now substitute x = -1 in the first original equation and solve for y.

8x + 3y = 13

8(-1) + 3y = 13

-8 + 3y = 13

3y = 21

y = 7

Answer: x = -1, y = 7

8 0

3 years ago

In an article about the cost of health care, USA Today reported that a visit to a hospital emergency room has a mean cost of $14

Misha Larkins [42]

Answer: 0.8461

Step-by-step explanation:

Given : $\mu=144\ \ ; \sigma=392$

Let x be the random variable that represents the cost for the hospital emergency room visit.

We assume that cost for the hospital emergency room visit is normally distributed .

z-score for x=1000 ,

$z=\dfrac{1000-1400}{392}\approx-1.02\ \ \ [\because z=\dfrac{x-\mu}{\sigma}]$

Using z-value table , we have

P-value =P(x>1000)=P(z>-1.02)=1-P(z≤ -1.02)=1-0.1538642

=0.8461358≈0.8461 [Rounded nearest 4 decimal places]

Hence, the probability that the cost will be more than $1000 = 0.8461

3 0

3 years ago

1/56 divided by -30 write fractions is simplest form

Nady [450]

Simplified form of 1/56 divided by -30 is $=-\frac{1}{1680}$

Step-by-step explanation:

We need to solve 1/56 divided by -30 in simplest form.

Solving:

Writing in mathematical form:

$\frac{1}{56}\div -30$

Converting division symbol into multiplication and taking reciprocal of -30

$=\frac{1}{56}\times \frac{1}{-30}$

Simplifying:

$=\frac{1}{56*-30}$

$=-\frac{1}{1680}$

So, simplified form of 1/56 divided by -30 is $=-\frac{1}{1680}$

Keywords: Solving Fractions

Learn more about Solving Fractions at:

#learnwithBrainly

4 0

4 years ago

How to factor 75-12X^2

lianna [129]

75 - 12x^2 = 3(25 - 4x^2)

5 0

4 years ago