What is the value of x squared =169

Answers

Answer 1

Answer: $x^(2) =169\n \n x^(2)=13^2\ \ \ \Leftrightarrow\ \ \ x=13\ \ \ or\ \ \ x=-13$

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Triangle DEF is similar to triangle FGH. Both are right triangles.Which statements about the two triangles must be true?Choose all answers that are correct.A.Sides DF and FH are congruent.B.Triangle DEF is congruent to triangle FGH.C.Side DF has the same slope as side FH.D.Sides DE and FE are proportional to sides FG and HG.

A ferris wheel can accommodate 50 people in 20 minutes.What was the rate per hour?

Answers

There is 60 minutes in a hour so there is 50 people in 20 minutes.
60 divide by 20= 3 20 times 3 equals to a hour so now you woud have to multiply the the people. 50 x 3= 150
In a hour there would be 150 people that ride the ferris wheel

mr. Lobo is building a fence around his rectangular yard. It is 16 feet long and 14 feet wide. How many feet of fencing will he need?

Answers

All you have to do is 14+16 1. Break it down 14 is equal to 10+4 16 is equal to 10+6 2. Add the biggest numbers together first 10+10 = 20 3. Add the smaller numbers together 6+4 = 10 4. Add all of the numbers together 20+10 = 30 I'm in 6th grade :)

6x-5y=22 y=-8 using systems of equations by substitution

Answers

We need to sub y=-8 into the first equation
6x+40=22
6x=-18
x=-3

$\left \{ {{6x-5y=22} \atop {y=-8}} \right. \n\n substitute\ y=-8\ into\ first\ equation\n\n6x-5*(-8)=22\n\n6x+40=22\ \ \ | subtract\ 40\n\n6x=-18\ \ \ | divide\ by\ 6\n\nx=-3\n\ny=-8$

greta makes a slice through a three-dimensional object parallel to the base the cross section is a circle. What three dimensional shapes might greta have cut?

Answers

Answer:

A. Cylinder.

C. Cone.

Step-by-step explanation:

Notice that the cross section is parallel to the base. So, if the cross section is a circle, then the base is also a circle.

Then, we just need to find all figures that have a circle at the bottom. The figures are a cylinder and a cone.

Therefore, the right answers are A and C.

Answer:

A. Cylinder

C. Cone

Step-by-step explanation:

Both a cylinder and a cone are three dimensional shapes that contain a circle as the base. If a cross section is made parallel to the base, that means that it should have the same shape as the base. Since a pyramid and cube both have straight edges, it would not be possible to form a circle from a parallel cut to the base, so the only options are cylinder and cone.

What percent of 16.7 = 4.3

Answers

4.3 is 25.748502994012% of 16.7

Idk the exact answer but it’s close to 25% So if it’s multiple choice then hahahahha if not then I’ll skiddlyboopbop away

A telephone pole is 60 feet tall. It casts a shadow that's is 24 feet long. A tree that's is next to the flag pole casts a shawdow that's is 4ft tall. How tall is the tree

Answers

ok so ratios
height:shadow =60:24
fractionify
60/24=5/2

5:2 is ratio
if shadow of tree=4 then what is height
5:2=x:4
multipliby 2
10:4=x:4
x=10
10 feet

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