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3 years ago

25 POINTS PLZ ANSWER!!!!!!!!!!!!!!!!!!!!!!!!!! LOOK AT BOTH PICS

Mathematics

2 answers:

Vinvika [58]3 years ago

8 0

Answer:

B. X less than or equal to 5

zysi [14]3 years ago

4 0

Answer:

The answer is 2nd option, x ≤ 5

Step-by-step explanation:

First, you have to solve the value of x by additing 4 to both sides :

-3x - 4 ≥ -19

-3x - 4 + 4 ≥ -19 + 4

-3x ≥ -15

Next, you can solve it by dividing -3 to both sides and remember to reverse the symbol (when a no. is divided by a negative no., the symbol need to be reverse) :

-3x ≥ -15

-3x ÷ -3 ≥ -15 ÷ -3

x ≤ 5

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How to solve which number completes the square of the expression belo? 2x^2-3x+ 1. 9/8 2. 9 3. -9/2 4. 9/16

choli [55]

Answer: 1. $\dfrac{9}{8}$ .

Step-by-step explanation:

The given expression $2x^2-3x+1$

Using completing the square method.

First, we divide the entire expression by 2 and write in the form of $x^2+bx=c$ , we get

$x^2-\dfrac{3}{2}x+\dfrac{1}{2}$

Such that $b=\dfrac{3}{2}\ \ \ , c=\dfrac{1}{2}$

Now add and subtract $(\dfrac{b}{2})^2$ on both sides.

$(\dfrac{b}{2})^2=(\dfrac{\dfrac{3}{2}}{2})^2\\\\=(\dfrac{3}{2\times2})^2\\\\=(\dfrac{3^2}{4^2})\\\\=\dfrac{9}{8}$

Here, we add and subtract $\dfrac{9}{8}$ .

Hence, the correct answer is 1. $\dfrac{9}{8}$ .

7 0

3 years ago

given FH with coordinates F(4,-5) and H(-8,19), if G lies on FH such that that the ratio of FG to FH is 1:6, find the coordinate

monitta

Answer:

G = (2, -1)

Step-by-step explanation:

You want ...

FG/FH = 1/6 = (G -F)/(H -F)

H -F = 6(G -F)

H +5F = 6G . . . . . . add 6F, simplify

G = (H +5F)/6 . . . . .divide by 6

Substituting the given coordinates, we get ...

G = ((-8, 19) +5(4, -5))/6 = (-8+20, 19 -25)/6 = (12, -6)/6

G = (2, -1)

4 0

3 years ago

Find the probability of getting a head when you flip a coin, and then getting a vowel when you draw from a bag of letters with t

lesantik [10]

Answer:

UM I am not sure how you want this but a coin it is 50 50 or 1/2 and with the probability of getting a vowel is 5/26.

Step-by-step explanation:

Pls tell me if I am wrong I have no learned this yet if I am wrong I will edit it to be right.

6 0

3 years ago

Read 2 more answers

What is X I need help i dont know how to do this

Anit [1.1K]

Answer:

x = 75

Step-by-step explanation:

Triangle BDH

The angle must add to 180 degrees

36+ 39 + DHB = 180

75 + DHB = 180

DBH = 180-75

DHB = 105

DBH + x = 180 since it is a straight line

105+ x = 180

x = 75

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3 years ago

Select ALL the correct answers. Sophia has a book fund to save money for her college textbooks, and she also works at a part-tim

gulaghasi [49]

F(n) = 1000 + 50m

that's the formula I would use

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3 years ago