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KiRa [710]
2 years ago
5

What is 2x+3y=17 if y=-3

Mathematics
2 answers:
laila [671]2 years ago
6 0

Answer:

x = 13

Step-by-step explanation:

ur welcome

Musya8 [376]2 years ago
4 0

Answer:x=13

Step-by-step explanation:

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Find the slope of the line through these pair of points.<br><br> (12,-18) (-15,-18)
zysi [14]
The slope, m, is given by the equation m = (y2-y1)/(x2-x1), where (x1, y1) and (x2, y2) are points on the graph. Thus:
m = (-18-(-18))/(-15-12)
= (-18+18)/-27
= 0/27 = 0
Therefor the slope is 0
8 0
3 years ago
Given that QT is and altitude of triangle QRS and that m
iris [78.8K]

Hello from MrBillDoesMath!

Answer:

15

Discussion:

Given: measure angle STQ = 7x + 55.  But, as shown, STQ is a right angle so

7x + 55 = 90          => subtract 55 from each side

7x = 90 -55 = 35   => divide each side by 7

x = 35/7 = 5

Since RS = (x+1)    + (2x-1)  where x = 5.

     RS = (5 + 1) + (2*5 -1)

           = 6         + 9

           = 15

I don't know what choice the answer is as your diagram only shows Choice A

Thank you,

MrB

3 0
3 years ago
Read 2 more answers
Find the area of the following triangle. Show each of the math steps that you use to find the area. Then explain how to go about
Aleksandr [31]

Right angled triangle

  • Base=B=2.4cm
  • Height=H=1.8cm

Area:-

\\ \rm\rightarrowtail \dfrac{1}{2}BH

\\ \rm\rightarrowtail \dfrac{1}{2}(2.4)(1.8)

\\ \rm\rightarrowtail 1.2(1.8)

\\ \rm\rightarrowtail 2.16cm^2

4 0
2 years ago
Which two numbers add up to be 8 and multiply to be -84
Kisachek [45]
Righ, so negative times positive=negative
negative+positive=positive
thereofr
positive>negative

factor -84 where the negative is smaller ex -12 and 13, not -14 and 10 so

-2 and 42 nope
fast forward
-6 and 14 yes
-6+14=8
so the numbers are -6 and 14
6 0
3 years ago
An altitude of a right triangle to its hypotenuse divides this hypotenuse into two segments that measure 9cm, and 16cm. What are
ozzi

Answer:

Step-by-step explanation:

Let a be the length of the altitude, then from the given triangles, applying the basic proportionality theorem,  we get

\frac{BD}{AD}=\frac{DC}{BD}

⇒(BD)^{2}=DC{\times}AD

⇒(BD)^2=9{\times}16

⇒BD=\sqrt{144}

⇒BD=12 cm

Thus, the length of altitude is: 12 cm.

Now, \frac{AB}{AD}=\frac{AC}{AB}

⇒(AB)^{2}=220

⇒AB= 14.83 cm

Also, \frac{BC}{DC}\frac{AC}{BC}

⇒(BC)^{2}=400

⇒BC=20 cm

Thus, the lengths of the legs of this triangle are 14.83 and 20 cm.

6 0
3 years ago
Read 2 more answers
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