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True [87]
3 years ago
11

Solve the equation. x(4x−11)=15

Mathematics
1 answer:
nexus9112 [7]3 years ago
5 0
X(4x-11)=15
+11 +11
5x=26
/5 /5
x=5.2

hope this helps :)
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A radio station advertises a contest with ten cash prizes totaling $5510. There is to be a $100 difference between each successi
My name is Ann [436]

Answer:

option C

c. least: $101

greatest: $1001

Step-by-step explanation:

A radio station advertises a contest with ten cash prizes totaling $5510. There is to be a $100 difference between each successive prize.

Sum of 10 prizes = 5510

100 is the difference. there is a common difference d=100

So its a arithmetic sequence

the sum formula for arithmetic sequence is

S_n = \frac{n}{2}(2a_1 +(n-1)d)

Sn = 5510, n=10 n d= 100 we need to find out first term a1

5510 = \frac{10}{2}(2a_1 +(10-1)100)

5510 = 5 (2a1 + 900)

5510 = 10a1 + 4500

Subtract 4500 on both sides

1010= 10a1

divide by 10 on both sides

a1 = 101

so first term that is least term is 101

To find out greatest term we use formula

a_n = a_1 + (n-1) d

a(10) = 101 + (10-1)100

= 101 + 900= 1001

greatest is 1001

4 0
3 years ago
what is the equation, in slope-intercept from, of the line that is perpendicular to the line y - 4 = -2/3 (x -6 ) and passes thr
Ne4ueva [31]

Turn y - 4 = -2/3(x - 6) into a linear equation.

y - 4 = -2/3(x - 6)

y - 4 = -2/3x + 4

 +4                +4

y = -2/3x + 8

The equation that is perpendicular to y = -2/3x + 8 is y = 3x + 4 as shown in the image below using a graph.


5 0
3 years ago
How would the equation
hammer [34]

Answer:

what

Step-by-step explanation:

6 0
2 years ago
What in the world is threehundredandtwentyfour over twentyseven
Nady [450]
324.24/27 is the answer
3 0
3 years ago
Eight times X -2 equals 8X -16 is it cumulative for addition associative for addition distributive associative for multiplicatio
Tems11 [23]

Answer:

Distributive property

Step-by-step explanation:

Required

What does 8 * (x - 2) = 8x-16 represents?

8 * (x - 2) = 8x-16

In mathematical properties;

a * (b \± c) = a*b \± a * c

a * (b \± c) = ab \± ac

In this case:

a = 8

b = x

c = -2

This gives:

8 * (x - 2) = 8*x-8*2

8 * (x - 2) = 8x-16

<em>The above is an illustration of the distributive property</em>

6 0
2 years ago
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