6th grade math help me plzz

Answers

Answer 1

Answer:

Answer:

A-B really simple.

Step-by-step explanation:

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Submit your work legible (ifSwill and answerin a webmail to me. This is a total of 35 points. Itbe a portfolio gradyou will have to webmail me this!Complete the following problems.1. Open Response: Solve each problem below. Solve for the missing side, Show your workGive both an exact answer and Rn answer in your solutions.

Answers

ok so

for a right triangle with legs legnth a and b and hypotonuse c
a^2+b^2=c^2
remember
the hypotonuse is the side oposite the right angle

you have
13 and 17 and x
17=hypotonuse
13 ad x are legs
13^2+x^2=17^2
169+x^2=289
minus 169 boh sides
x^2=120
sqrt both sides
x=2√30
aprox
10.9545 units

second one
legs are 5x and x
hypotonsue is 20
(5x)^2+x^2=20^2
25x^2+x^2=400
26x^2=400
divide both sides by 26
x^2=(400/26)
sqrt both sides
x=20/(√26)
aprox
x=3.92232 units
times 5 to see other leg
19.616 units

What is the surface area of a rectangular prism with a length of 6 in., a width of 4 in., and a height of 10 in.?in2

Answers

6*4*10 = 248 in2 here we go.

Can someone answer plz

Answers

1.D 2. A 3.C 4.D

1 Is the monomial as it only contains one expression.

2. Is the difference of squares because something squared minus something squared.

3. Is standard because it is of the form

$a_nx^n+ a_(n-1)x^(n-1)+...+a_1x+a_0$

4. We know D is the not the monomial simply because its power is negative which means it does not fit the definition of a polynomial.

The sum of three decimals is 450.63. What is the third decimal, if two of them are 126.53 and 95.54?

Answers

Answer:

228.56

Step-by-step explanation:

Clara played a video game with three levels. It took her 2 hours and 25 minutes to beat the first level and 2 hours and 25 minutes to beat the second level. Clara played the final level for 1 hour and 50 minutes to finish the game. She beat the final level and stopped playing at 5:20 pm . What time did Clara start playing the game

Answers

Answer: 11:40 am

Step-by-step explanation:

Step 1: we are going to add all the hours she played so these are the hours:

1st level: 2hours and 25min

2nd level: 2hours and 25min

3rd level: 1hour and 50min

When we add these this equals 5hours and 40min.

Step 2: Now we are going to subtract the hours so 5:20pm minus 5hours and 40min is 11:40am

Therefore Clara started playing video games at 11:40am

Which of the following statements have the same result? Explain each step in solving each one.f(1) when f(x) = 5x + 1
f−1(3) when f(x) = 2x plus 3, all over 5
3y − 7 = y + 5

Answers

$f(x) = 5x + 1\n\nsubtitute\ x = 1\ to\ the\ equation\n\nf(1) = 5\cdot1 + 1 = 5 + 1 = 6\n----------------------\nf(x)=(2x+3)/(5)\to y=(2x+3)/(5)\ \ \ \ |multiply\ both\ sides\ by\ 5\n\n5y=2x+3\ \ \ \ |subtract\ 3\ from\ both\ sides\n\n2x=5y-3\ \ \ \ \ |divide\ both\ sides\ by\ 2\n\nx=(5y-3)/(2)\n\nf^(-1)(x)=(5\cdot(-1)-3)/(2)=(-5-3)/(2)=(-8)/(2)=-4\n---------------------\n3y-7=y+5\ \ \ |add\ 7\ to\ both\ sides\n3y=y+12\ \ \ \ |subtract\ y\ from\ both\ sides\n2y=12\ \ \ \ |divide\ both\ sides\ by\ 2\ny=6$

Answer: f(1) when f(x) = 5x + 1 and 3y - 7 = y + 5

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Lyra and Donna are testing the two-way radios they built for their high school science project. Lyra goes to the top of a building that is 22 meters high with one of the radios and stands directly above the building’s entrance. Donna walks out of the entrance, perpendicular to the building, with the other radio. If Donna is more than 50 meters from the entrance, the connection between the radios breaks. What is the range of communication for the two radios to the nearest meter?