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malfutka [58]
3 years ago
13

Pls help due in like 2 hours lol

Mathematics
1 answer:
never [62]3 years ago
7 0

Answer:

Step-by-step explanation:

95+16x-4=-1+39x

91+16x=-1+39x

91+1=39x-16x

92=23x

92/23=x

4=x

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Help please!! i don’t understand this one!
12345 [234]

Answer:

  C, D

Step-by-step explanation:

This equation can be solved any of several ways. One that doesn't require much thought is using the quadratic formula.

For ax² +bx +c = 0, the solutions are ...

  x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

In the given equation, a=2, b=11, c=5, so this becomes ...

  x=\dfrac{-11\pm\sqrt{11^2-4\cdot2\cdot5}}{2\cdot2}=\dfrac{-11\pm\sqrt{81}}{4}\\\\x=\dfrac{-11\pm9}{4}=\left\{-\dfrac{20}{4},-\dfrac{2}{4}\right\}=\{-5,-\frac{1}{2}\}

The solutions are ...

  C. x = -5

  D. x = -1/2

_____

My personal favorite is using a graphing calculator. The solutions are the x-intercepts of the expression on the left. That is, where its value is zero, as the equation says.

5 0
3 years ago
Find point G on AB such that the ratio of AG to GB is 3:2.
lora16 [44]

Using proportions, the coordinates of point G are given as follows:

(1.8, 1.6).

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct(when both increase or both decrease) or inverse proportional(when one increases and the other decreases, or vice versa), can be built to find the desired measures in the problem, or equations to find these measures.

The points A and B are given as follows:

A(-3, 4) and B(5,0).

For this problem, we have that the ratio of AG to GB is 3:2, hence:

AG = 3/5AB

G - A = 3/5(B - A).

The x-coordinate of G is found as follows:

x + 3 = 3/5(5 + 3)

x + 3 = 4.8

x = 1.8.

The y-coordinate of G is found as follows:

y - 4 = 3/5(0 - 4)

y - 4 = -2.4

y = 1.6.

Hence the coordinates of point G are given as follows:

(1.8, 1.6).

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

5 0
1 year ago
How to do this type of questions
neonofarm [45]
The pattern is +5 +5 -1 +6 So the answer should be (B) 30,29,35
3 0
3 years ago
A pan has an original price of $32 but is marked down by 15 percent
Step2247 [10]

Answer:

0.15 is 15%

first 0.15 x 32 / 100 = 4.8

32 - 4.8  = 27.2  is the new price of the pan

Step-by-step explanation:

4 0
3 years ago
Samantha sells two types of wristbands, rope or beaded. She charges more for beaded wristbands than for rope
Tanya [424]

Answer:

y = number of wristbands of Type 2 at $8 each

Step-by-step explanation:

The  number of wristband of Type 1=x

The  number of wristband of Type 2=y

The total amount of money earned from selling these wristbands is given as:

Amount of Money collected=5x + 8y

Now Total cost for an item= Cost Per Item X Number of Item sold

Therefore:

8y = 8 X y =Cost Per Wristband of Type 2 X number of wristbands of Type 2

The variable y represents the number of wristbands of Type 2 which is sold for $8 each.

3 0
3 years ago
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