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kupik [55]
3 years ago
5

I need help with 44 and 45

Mathematics
1 answer:
In-s [12.5K]3 years ago
5 0

44 is F) 32 square feet

im not sure about 45

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My brother is 5 years older than me. My sister is 3 years younger than me. How old was my brother when my sister was m years old
LenaWriter [7]

hmmmm

b = brother

s = sister

a = my age


so your brother is 5 years older, b = a + 5.

and your sister is 3 years younger, s = a - 3.

that means your sister is


\bf \begin{cases} b=a+5\implies b-5=\boxed{a}\\ s=a-3\\[-0.5em] \hrulefill\\ s=\boxed{b-5}-3\implies s=b-8 \end{cases} \\\\\\ \stackrel{\textit{if your sister is "m" years old, say s = m}}{m=b-8}\implies \blacktriangleright m+8=b \blacktriangleleft

7 0
3 years ago
QTR is a right triangle TQR is a right triangle QS is an altitude which statements are true
mars1129 [50]

Answer:

A and C

Step-by-step explanation:

for A

QT/RT=ST/QT=QS/QR  

There are two QT's in this

so

(QT)^2 = RT * ST

FOR B

there is no RT twice

for C

QR/RT RS/QR

There is a QR twice

so QR^2=RT*RS

FOR D there is no RT twice  

(if you have the other answers for this quiz plz give them to me lol)

4 0
3 years ago
In triangle ABC shown find BC.
Sonja [21]

Answer:

BC is just 3d+7??

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=14r%20-%208r%3D%20126" id="TexFormula1" title="14r - 8r= 126" alt="14r - 8r= 126" align="absmi
LuckyWell [14K]

14r – 8r=126

6r=126

R=21

//////////////


7 0
3 years ago
Are the triangles below acute, obtuse, or right?
Phoenix [80]
Can you post a picture of it, I can’t see the triangles.
3 0
3 years ago
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