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RUDIKE [14]
3 years ago
7

What are the zeros of f(x) = (x – 2)(x + 7)? Select all that apply.

Mathematics
2 answers:
sleet_krkn [62]3 years ago
8 0
The answer is D. x=7
scoundrel [369]3 years ago
8 0

Answer:

x = -7 and x= 2

Step-by-step explanation:

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gladu [14]

Answer:

I found a pdf that has the lesson overview I just searched up:

Geometry 1e elayn martin gay section 4.1 types of triangles answer sheet

5 0
3 years ago
WILL GIVE BRAINLIEST. Need an answer ASAP!
Ksivusya [100]

Answer:

BE=12 units

Step-by-step explanation:

We\ know\ that,\\In\ a\ rectangle\ all\ diagonals\ are\ equal\ and\ bisect\ each\ other.\\Hence,\\In\ Rectangle\ ABCD,\\AE=EC\\Hence,\\Substituting\ the\ values\ we\ get:\\x+4=3x-12\\Hence,\\-2x=-16\\x=\frac{-16}{-2}=8\\Now,\\We\ also\ know\ that,\\ AC=DB\\Hence,\\\frac{AC}{2}=\frac{DB}{2} \\Hence,\\DE=EB=AE=EC\\Hence,\\Since\ AE=BE,\\BE=x+4\\We\ already\ know\ that\ x=8.\\Hence, BE=8+4=12

8 0
2 years ago
Solve for m 0.6m +3=2m+0.2
DaniilM [7]
So in equations you want to do the same thing to both sides so that the equation will stay equal

when dealing with one unknown number (m) try to get them all on the same side

0.6m+3=2m+0.2
I usually like positive unknowns so
subtract 0.6m from both sides
3=1.4m+0.2
subtract 0.2 from both sides
2.8=1.4m
divide both sides by 1.4
2.8/1.4=2=x

if dividing by decimals move the decimal either round the decimals up or down then divide. or multiply them by the 10 to the same power then divide.

x=2
7 0
3 years ago
Read 2 more answers
Julia is standing 2 feet away from a lamppost. If she casts a shadow of 5 feet and the light makes a 20° angle relative to the g
givi [52]

Answer:

2.5477 feet

Step-by-step explanation:

Refer the image attached to understand my solution.

BC = height of lamppost.

DE = Julia

AD = shadow of Julia

BD = 2 feet.      AD = 5 feet

BA = BD + AD

       = 2 + 5 = 7 feet

In ΔABC

tan 20° = \frac{BC}{BA}  = \frac{BC}{7}

BC = 7 * tan 20°

BC = 2.5477 feet

SO the height of lamppost = 2.5477 feet

5 0
3 years ago
Guide Questions:
Sphinxa [80]

Answer:

2. There are 5 students 14 years old 7 grade

5 0
3 years ago
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