Mathematics College

Find the missing length for #11. Please help!

Answers

Answer 1

Answer:

x=16

Step-by-step explanation:

so you know that the other side of the right traingle is 15

so x2+18x+81=225+144+x2

18x=288

x=16

Related Questions

What are the values of s and t?

Answers

Answer:

I think t is 72, because the angle looks equal to the known degree, which is 72. And since all the degrees have to add up to 180, 72+72 is 144 and 180-144 is 36. So angle s is 36 degrees.

What is 3/5 divided by 3/4

Answers

3/5 *4/3

1/5*4/1=4/5

=.8

hope it helps

3/5 x 4/3 = 12/15
That can be simplified to 4/5

1.7 m+ 3.7 m +3.7 m +3 m +5.9 m

Answers

answer:

18 m

step-by-step explanation:

simply add up all the numbers given1.7 + 3.7 + 3.7 + 3 + 5.9 = 18 then, put the units given

Answer:

18m

Step-by-step explanation:

(1.7 + 3.7 + 3.7 + 3 + 5.9)m = 18m

Hope that helps!

lol,j,bhkgkjhkhkhkhukgiuguk

Answers

Answer:

wioajfcskaljfcksjhnfkmdesdn,k obviously

Step-by-step explanation:

What is the 5 ^ (th) term in the sequence ?

Answers

Answer:

the answer is -16

Step-by-step explanation:

n= 5 so 5 - 1 = 4 so it's -1(2)^4 right

2^4 is equal to 16 and then -1(16) = -16

Keisha found three pieces of cable in her tool drawer. Here are their lengths (in meters).
4.9, 10, 14.94
What is the total length of the three pieces?

Answers

Answer:

29.84

Step-by-step explanation:

4.9+10+14.94

4.9+10=14.9

14.9+14.94=29.84

Pls answer I really need help with this pleasseeee

Answers

Answer:

12.3

Step-by-step explanation:

Find the circumference of the circle. Use 3.14 for . Round to the nearest hundredth, if necessary.
12.5 in.

The circumference of the circle is about
inches.

Answers

Answer: i got 78.54

rounded is 78.5

hope that helps

Which expression is equivalent to x2−12x+36?
a (x+6)2

b (x+12)(x−3)

c (x+6)(x−6)

d (x−6)2 please help me figure this out

Answers

Answer:

(x-6)(x-6) or (x-6)^2

Step-by-step explanation:

find the values of x and y

Answers

Answer:

x = 60 and y = 60

Step-by-step explanation:

Those are all equilateral triangles with the same angles.

The graph shows the relationship between a sphere's radius and volume.

Select all the statements that are true about the relationship.

Group of answer choices

If the radius doubles, the volume doubles.

If the radius doubles, the volume becomes about 4 times bigger.

If the radius doubles, the volume becomes about 8 times bigger

The relationship is linear.

The relationships is not linear.

Answers

Answer:

C and D

Step-by-step explanation:

Answer:

C and e

Step-by-step explanation:

18% of the the students at a school are in year 8 and 16% of the students are in year 9. If the school has 126 tera 8 students, determine the number of year 9 students.

Answers

Answer:

112

Step-by-step explanation:

The general form of all percentage questions is: the chunk= (some percentage) (of the whole), or c=p*w

We know that 18% of students are 8th grade and that is 126 students, so p = 0.18 and c=126 (126 students are 18% of the whole school)

126 = (0.18)w, divide both sides by 0.18

126/(0.18) = w = 700

9th graders are 16% of the school or 16% of 700 students

c = (0.16) 700 = 112 students

Bernie left home, riding his bike at a rate of 15 miles per hour. Charlie left 1 hour later, biking at a rate of 20 miles per hour. How long will it take Charlie to catch up to Bernie?

Answers

It will take Charlie 3 hours to catch up to Bernie!! :))))

Solve this system by substitution, y = 1 -3x - 4y = 14 *Remember to write your answer as a coordinate point (x, y). 1

Answers

Step1- substitute 1 into the y
= -3x-4 x 1=14
=-3x -4=14
=-3x=14+4
=-3x=18
X=18/-3
X=-6

HELP ME PLEASEEE DUE IN 2 MINS
[tex] \frac{ 1}{2 } \: \: and \: \frac{4}{5} [/tex]

Answers

Answer:

1.3 meters

Step-by-step explanation:

1/2 + 4/5 = 13/10

13/10 = 1 3/10

1 3/10 = 1.3

what is clairouts equation

Answers

In mathematical analysis, Clairaut's equation is a differential equation of the form where f is continuously differentiable. It is a particular case of the Lagrange differential equation

What is the slope of y = -5 – 41?

Answers

Answer:

Step-by-step explanation:

We need to rewrite this in slope-intercept for which is

y=mx+b

So switch 4x and -5

y=4x-5

m is slope and b is y-intercept we need to find the slope so we look what is beside x which is 4 so the slope is 4

Hope this helps!

Elizabeth has $72 to spend on painting supplies needed to repaint her house. Rollers
cost $4 each, and paintbrushes are $3 each. She needs at least 15 rollers and
paintbrushes combined and wants at least five of each.

Answers

4(15) + 3x = 72
60 + 3x = 72
3x = 12
x = 4
Answer: 4 paintbrushes

Swimming pool was 9 meters wide with an area of 90 square.What is the length of the pool?

Answers

Answer:

If the area is 90 square meters then, the answer is 10 meters long (length.)

Step-by-step explanation:

Helpppp i dont understand

Answers

It’s sideways, but I solved it

Need help On question 1. for geo

Answers

Triangle 1 :

Classify by angle = obtuse (one angle in the triangle is obtuse)

Classify by sides = isosceles (has two equivalent sides)

Triangle 2 :

Classify by angles = right (an angle in the triangle is equal to 90°)

Classify by sides = scalene (none of the sides in this triangle is equal)

BEST GETS BRAINLIEST PLS HELP I JUST NEED CONFIRMATION THAT I GOT IT RIGHT

Answers

Answer:

that is correct nice job!

Answer:yuh youre right

Step-by-step explanation:

find the equation of the line containing the points shown

Answers

Answer:

y= 6x - 22

Step-by-step explanation:

(4,2) and (5,8)

m= (y2-y1)/(x2-x1)

m= (8-2)/(5-4)

m= 6

y-y1= m(x-x1)

y-2= 6(x-4)

y-2= 6x-24

y= 6x - 22

Mark brainliest pls!

A party mix is made by adding nuts that sell for $2.50 per kg to a cereal mixture that sells for $1 per kg. How much of each should be added to obtain 40 kg if a mix that will sell for $1.30 per kg?

Answers

Answer:

40kg

Step-by-step explanation:

x + y = 60, y = 60 - x

x(2.50) + y(1) = 60(1.50)

Substitute:

2.50 x + 60 - x = 90

1.50x = 30

x = 20 kg

y = 40 kg

Decrease 60 by 0.75 of itself

Answers

Answer:

Step-by-step explanation:

(0.75 of 60)

0.75 * 60 = 45

(decrease 60 by answer)

60 - 45 = 15

yes, 15
60 x .75 =45
60-45 =15

1. 2a+b-c
A. O
B. 1
C. 3
D. 4

Answers

Answer:

i think C correct me if im wrong pls

Step-by-step explanation:

Simplify the fractions using the greatest common factor and division 4/8 =

Answers

Answer:

2/4

Step-by-step explanation:

Write the improper fraction as a mixed number 1879/12

Answers

The answer is 156 7/12

1879/12= 156.583

156* 12= 1872

1879-1872= 7

The answer is 156 7/12. in a mixed number

3+(55-111)/25 equals what

Answers

Answer:

0.76

Step-by-step explanation:

3+(55-111)/25

=3+(-56)/25

=3+ (-2.24)

=0.76

Answer:

3+(55-111)/25= 0.76

Step-by-step explanation:

Using PEMDAS, you solve 55-111 which is -56

Then you divide -56 by 25 because it is the fourth step, you get -2.24

Add three to -2.24 to get 0.76

If you round UP to the nearest tenth, it will be 0.80

If you round DOWN to the nearest tenth, it will be 0.70

Help me with Question 4

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

This is cause the phrase two thirds refrences as two of three which is a fraction.

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