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Naya [18.7K]
3 years ago
7

How do I solve this?With the input of -2 y = x 2 + 3 x + 2

Mathematics
1 answer:
alukav5142 [94]3 years ago
8 0
(-2)^2 + 3 x (-2) + 2
= 4 - 6 + 2
= 0
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Show that the ratios 10/20 and 30/60 from a proportion by finding a common multiplayer. Show that the ratios are equal by writin
Ratling [72]
5 can go into 10 and 20 so you just want to divide them by five which gives you 
2/4.

its still not simplified yet so 2 can go in to 2 and 4 so we divide them your answer should be 1/2

so your simplified answer for 10/20 is 1/2

so 10/20=1/2

same thing for 30/60

10 can go into 30 and 60 so we divide them by 10

you should get 3/6

its still not simplified 

3 can go into 3/6 so we divide them by 3

you should get 1/2

 so 30/60= 1/2




10/20 = 1/2. 

30/60 = 1/2



so your simplified answer for both of them is 1/2





I hope this helped!
7 0
3 years ago
Please help me with this
Fiesta28 [93]

Answer:

p = 14

Step-by-step explanation:

Side BD is common to both triangles.  Moreover, the two triangles are congruent.  This means that the side of length 7p is congruent with the side of length p + 84.  Thus, 7p = p + 84, or 6p = 84, or p = 14.

6 0
3 years ago
Simplify. (-2/3) - (3/5)
yKpoI14uk [10]
Okay so here you go 

<span>Decimal Form: -1.266667
</span>
Fraction form: -19/15

hears how: 
Simplify brackets
-2/3 - 3/5

Simplify: -19/15


5 0
3 years ago
Read 2 more answers
Consider a Triangle ABC like the one below. Suppose that C = 98, A = 74, and b = 11 (figure is not drawn to scale.) solve the tr
Degger [83]

Answer:

A=73.8\°

B=8.2\°

c=76.3\ units

Step-by-step explanation:

step 1

Find the measure of side c

Applying the law of cosines

c^{2}= a^{2}+b^{2}-2(a)(b)cos(C)

substitute the given values

c^{2}= 74^{2}+11^{2}-2(74)(11)cos(98\°)

c^{2}=5,823.5738

c=76.3\ units

step 2

Find the measure of angle A

Applying the law of sine

\frac{a}{sin(A)}=\frac{c}{sin(C)}

substitute the given values

\frac{74}{sin(A)}=\frac{76.3}{sin(98\°)}

sin(A)=(74)sin(98\°)/76.3

A=arcsin((74)sin(98\°)/76.3)

A=73.8\°

step 3

Find the measure of angle B

we know that

The sum of the internal angles of a triangle must be equal to 180 degrees

so

A+B+C=180\°

substitute the given values

73.8\°+B+98\°=180\°

171.8\°+B=180\°

B=180\°-171.8\°=8.2\°

5 0
3 years ago
Please help with problem 25, part a and b Algebra 1, In the attachment.
erica [24]

The equation to represent the number of people that can attend the event will be 18500 +/- 1200.

<h3>How to calculate the value?</h3>

Based on the information, equation to represent the number of people that can attend the event will be 18500 +/- 1200.

The maximum number will be:

= 18500 + 1200

= 19700

The minimum number will be:

= 18500 - 1200

= 17300

Learn more about equations on:

brainly.com/question/13763238

#SPJ1

4 0
1 year ago
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