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Zielflug [23.3K]
3 years ago
9

Which equation is equivalent to

Mathematics
1 answer:
Anton [14]3 years ago
8 0

Answer:

m { }^{2}  + 3m + 2 = 0

Step-by-step explanation:

ну где-то тааакккккккккк

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A wool sweater originally costs $42.00. if the sweater is on sale for 25% off, what is the new cost of the sweater? $
jolli1 [7]
42 (1- 25/100) = 63/2  = 31.5 dollars

answer is $31.50 

hope it helps
8 0
3 years ago
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Find the distance between the parallel lines m and n whose equations are
MA_775_DIABLO [31]

Answer:Find the distance between the parallel lines m and n whose equations are y = x + 4 and y = x - 6, respectively.

There are several ways to do this...here's one

Let (0, 4) be a point on the first line

Then.......a line with a negative reciprocal slope going through this point will have the equation :

y = -x + 4........so......we can find the intersection of this line with y = x - 6....set both equations equal

-x + 4  = x - 6   add x, 6 to both sides

10 = 2x     divide both sides by 2

5  = x

So...using -x + 4, the y value  at intersection  = -1.......

So...we just need to find the distance from  (0,4)  to ( 5, -1)  =

√[ (5)^2 + (4 + 1)^2 ] =  5√2  ≈  7.07 units

Here's a pic....AB is the distance  with A = (0,4)  and B = (5, -1)

Step-by-step explanation:

8 0
3 years ago
Anthony wanted to get a job after school. His
Leto [7]
$8 per hour
Work for 4 hours a day so
$8x 4 =32
So he make $32 a day
4 0
3 years ago
Read 2 more answers
The function g(x) = 12,500(0.91)x represents the value of a piece of farm equipment after x years. Approximately when will its v
topjm [15]

Answer:

B. 7.3 years

Step-by-step explanation:

The question is wrong. The correct function is :

g(x)=12500(0.91)^{x}

We have the function g(x) that represents the value of a piece of farm equipment after x years.

This means that when x=0 its original value is :

g(0)=12500(0.91)^{0}=12500

Now we want to calculate approximately when will its value be half its original value. Then, we write :

\frac{12500}{2}=6250

6250 is half of its original value. We need to find x that satisfies the following equation :

g(x)=6250=12500(0.91)^{x}

Solving for x :

6250=12500(0.91)^{x} ⇒

0.5=(0.91)^{x}

Now we apply natural logarithm to each side of the equation :

ln(0.5)=ln[(0.91)^{x}]

Using logarithm properties :

ln(0.5)=ln[(0.91)^{x}] ⇒

ln(0.5)=x[ln(0.91)]

x=\frac{ln(0.5)}{ln(0.91)} ⇒

x ≅ 7.3496

The correct option is B. 7.3 years

4 0
3 years ago
A shark is at −80 feet. It swims up and jumps out of the water to a height of 15 feet. Write a subtraction expression for the ve
Mama L [17]

Answer:

15-95=-80 i think so x is 95

hope this helps

8 0
3 years ago
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