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uysha [10]
4 years ago
6

Solve the quadratic equation. Show all of your steps. x^2 + 3x - 5 = 0

Mathematics
2 answers:
Lera25 [3.4K]4 years ago
8 0
X² = x • x = 2x

2x + 3x - 5 = 0
+5 +5

2x + 3x = 5
2x + 3x

5x = 5
÷5 ÷5

x = 1

There you go! I really hope this helped, if there’s anything just let me know! ☻
larisa86 [58]4 years ago
3 0

Answer:

x=4.1925824,-1.1925824

Step-by-step explanation:


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A school band has 75 members. The band enters a band competition at a rival school. There is a $200 entrance fee for each band p
liq [111]

Answer:

Total amount of money=200x+25y, where x is the number of bands and y is the number of drill teams.

Step-by-step explanation:

The expression for the total amount of money collected from entrance fees would be equal to the entrance fee for each band for the number of bands plus the entrance fee for each drill team for the number of drill teams:

Total amount of money=200x+25y, where x is the number of bands and y is the number of drill teams.

Total amount of money=200(32)+25(25)

Total amount of money=6400+625

Total amount of money=7025

8 0
3 years ago
What is the equation of the graphed line written in standard form
weqwewe [10]
Ax+by=c


First you'll find the equation of the graphed line in slope-intercept form, y = mx+b, and then from there we'll convert it into standard form, ax+by = c.
5 0
3 years ago
What is the value of the expression? <br><br> 10 – 4 + (80 ÷ 20) y^4
Mariana [72]
Ok so 1st, you do the (80 ÷ 20), then you get
10-4+(4)y^4
then you 10-4
6+(4)y^4
then....
(10)y^4
so then it's 
10y^4
Unless there is a =, but if not it's 10y^4
3 0
4 years ago
Write the phrase as an expression. Then evaluate the expression when $y=20$ . the quotient of 40 and the difference of a number
Bad White [126]

Answer:

Following are the solution to this question:

Step-by-step explanation:

Please find the complete question in the attached file.

In this question, firstly the Quotient has to divide the answer, and then the response in subtraction is the difference.

\to \frac{40}{( y - 16)} \\\\\\\to \frac{40}{( 20 - 16)} = \frac{40}{4}= 10

7 0
3 years ago
7. Make a box-and-whisker plot for the data. What is the upper quartile value?
Nookie1986 [14]

In order to draw the Box-whisker plot, we need to rewrite the data in increasing order.

42 43 47 48 51 52 56 56 58 60 62 64 65 66

Mean of the data = (42 + 43 + 47 + 48 + 51 + 52 + 56 + 56 + 58 + 60 + 62 + 64

+ 65 + 66) ÷ 14

Mean of the data = 770 ÷ 14

Mean of the data = 55

Median = (56 + 56) ÷ 2

Median = 112 ÷ 2

Median = 56

Lowest value = 42

Highest value = 66

Range = Highest value - Highest value

Range = 66 - 42

Range = 24

Lower Quartile = 25% of the data

Lower Quartile = 48

Upper Quartile = 75% of the data

Upper Quartile = 62

6 0
3 years ago
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