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Makovka662 [10]
3 years ago
15

7x + 9 = 10 - x please help meeeeeeee

Mathematics
2 answers:
nikklg [1K]3 years ago
8 0

Answer:

7x + 9 = 10 - x \\ (7 + 1)x = 10 - 9 \\ 8x = 1 \\ x =  \frac{1}{8}

Evgen [1.6K]3 years ago
6 0

Answer - x = 1/8

A brainliest for the answer will be apprecited

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charlotte is playing a beanbag toss game. she has a 10% chance of hitting the 3- point hole, a 30% chance of hitting the 1- poin
34kurt

Answer:

20

Step-by-step explanation:

The expected value of a toss is:

E(X) = (0.10) (3) + (0.30) (1) + (0.60) (0)

E(X) = 0.6

If she scores an average of 0.6 points per toss, then the expected number of tosses needed to get 12 points is:

12 / 0.6 = 20

Using a random number table, we can assign digit 0 as a 3-point hole, digits 1-3 as a 1-point hole, and digits 4-9 as no points.  Read the digits and add the points until you get 12 points.  The number of digits read is the number of beanbag tosses.

5 0
3 years ago
What is the surface area of the following prism?
Stolb23 [73]

Answer:

102cm²

Step-by-step explanation:

Surface Area = BH +Lp

B is the base area

H is the height of the Prism

L is the slant height

p is t perimeter of its base

B =1/2 ×3×4

B= 6cm²

H = 7cm

L = 5cm

P = 3cm+4cm+5cm

P = 12cm

Substitute

TSA = 6(7)+5(12)

TSA = 42+60

TSA = 102cm²

Hence the total surface area of the shape is 102cm²

5 0
3 years ago
Write and solve an equation to find the value of x. PLSS HELP
natima [27]

Answer & Step-by-step explanation:

Vertical angles are congruent meaning that these two angles are going to have the same measurement. Since we know this, then we can set up an equation where one angle is equal to the other.

x + 10 = 55

Subtract 10 on both sides of the equation.

x = 45

So, the value of x is 45.

8 0
3 years ago
Find two numbers given that their sum is 60 and
likoan [24]

Answer:

12 and 48

Step-by-step explanation:

let n be the larger number , then \frac{1}{4} n is the smaller number and their sum is

x + \frac{1}{4} x = 60 ( multiply through by 4 to clear the fraction )

4x + x = 240 , that is

5x = 240 ( divide both sides by 5 )

x = 48

smaller number = \frac{1}{4} × 48 = 12

The 2 numbers are 12 and 48

4 0
3 years ago
Read 2 more answers
This is math. i need help bc i do not understand this
svetoff [14.1K]

They're asking you to fill in the distance from the sun to the planet in kilometers.

Mercury is 57,900,000 kilometers from the sun.

Venus is 107,477,000 km from the sun at its closet point.

Earth is the third planet closest to the sun, and at it's closest point is about 146,000,000 km away.

Mars, at its closest point to the sun, is 206,000,000 km away.

Jupiter's average distance from the sun is 779,000,000 km.

Saturn's average distance from the sun is 1.4 billion km.

Uranus' average distance from the sun is 2.88 billion km.

Lastly Neptune's average distance from the sun is 4.5 billion km.


I hope this is what you're looking for


3 0
4 years ago
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