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tankabanditka [31]
3 years ago
14

Help Please this is hard

Mathematics
1 answer:
beks73 [17]3 years ago
3 0

Answer:

1) D=1/4C

2) 4D=C its positive because it is above the sea

Step-by-step explanation:

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Q.16 please<br> With steps
blsea [12.9K]

The equations

2x^2+9x-5=0

and

2\left(t-\dfrac12\right)^2+9\left(t-\dfrac12\right)-5=0

are really the same, we're just setting x=t-\dfrac12, or t=x+\dfrac12.

2x^2+9x-5=(2x-1)(x+5)=0\implies x=\dfrac12,x=-5

So we get

t=\dfrac12+\dfrac12=1,t=-5+\dfrac12=-\dfrac92

8 0
3 years ago
A teacher tells 6 students the title of the next school play. Those 6 students each tell the title to 6 students. Then those add
Sergio [31]
18 students have been told the title of the next play because 6+6+6=18
3 0
3 years ago
Write the slope-intercept form of the equation through (4, 2) perpendicular to LaTeX: y=4x-4
marin [14]

Answer:

y=4x-4

slope of the line=-4/-1

                             4/1

since perpendicular,

    m1.m2=-1

    4.m2=-1

    m2=-1/4

The equation of line passing through the point (4,2)is

  y-y1=m2(x-x1)

  y-2=-1/4(x-4)

Step-by-step explanation:

i don't say that you have to mark my ans as brainliest but my friend if  it has helped you a bit also don't forget to thank me.....

3 0
4 years ago
Ada is showing her work in simplifying (5.9 - 1.8) - 6.2 + 4.1. In which step did Ada make an error? (5 points)
soldier1979 [14.2K]

Answer:

Step 4 is where she made the error.

Step-by-step explanation:

This step is actually known as the commutative property. That property states that we can change the order of numbers as long as we keep the signs and it maintains it's validity.

5 0
3 years ago
Can someone please help me out!!?
HACTEHA [7]

Answer:

x = 7

Step-by-step explanation:

\frac{10}{8} = \frac{3x-6}{12} --> Triangle Similarity Theorem

120 = 8(3x - 6) --> Cross Multiplying

120 = 24x - 48 --> Distributing the 8

24x - 48 + 48 = 120 + 48 --> Adding 48 on both sides

24x = 168 --> Simplifying

24x/24 = 168/24 --> Divide 24 on both sides

x = 7 --> Simplifying

Hope this helped! <3

8 0
3 years ago
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