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anyanavicka [17]
3 years ago
7

Solve for a triangle. 2x + 4x + 6x = 180

Mathematics
2 answers:
a_sh-v [17]3 years ago
3 0

Answer:

x=15

Step-by-step explanation:

grigory [225]3 years ago
3 0

Answer:

x=15

Step-by-step explanation:

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How much of a spice that is 3% salt should be added to 175 ounces of a spice that is 6% salt in order to make a spice that is 5%
Nonamiya [84]

Answer:

Let y represents the ounces of first spice.

From the given statements, we draw a table as shown below:

                          ounces of spice        Percentage          ounces of salt

First spice                 y                              3%                            0.03x

Second spice           175                            6%                          175(0.06)

Final  mixture          y + 175                         5%                        (x+15)(0.05)

Now, to solve for y

we have;

Final spice = First spice + second spice

0.03y + 175(0.06) = (y+175)(0.05)

0.03y+ 10.5= 0.05y+ 8.75

Subtract 10.5 on both sides we have;

0.03y+ 10.5 -10.5= 0.05y+ 8.75 -10.5

Simplify:

0.03y = 0.05y -1.75

Subtract 0.05y on both sides

0.03y -0.05y= 0.05y -1.75-0.05y

Simplify:

-0.02y = -1.75

Divide both sides by -0.02, we get;

y = \frac{-1.75}{-0.02} = 87.5

Therefore, 87.5 ounces of spices that is 3% salt should be added to 175 ounces of a spice that is 6% salt in order to make a spice that is 5% salt


5 0
3 years ago
Read 2 more answers
If the ratio of red hair bands to green hair bands is 5 to 9 with a total of 70, how many are green
Eduardwww [97]
5x-\ red\\9x-\ green\\\\5x+9x=70\\
14x=70\ \ \ | divide\ by\ 14\\\\
x=5\\\\
9x=9*5=45\\\\
There\ are\ 45\ green.
5 0
3 years ago
The figure is the net for a rectangular prism.
Dovator [93]
The surface area of the rectangular prism is 544 cm^2.

There are 3 pairs of different rectangles that form the rectangular prism.

If we find the area of each and add them up, we will have the surface area.

Here are the 3 pairs of rectangles:
6 x 16 = 96
8 x 16 = 128
6 x 8 = 48

2(96) + 2(128) + 2(48) = 544
4 0
3 years ago
List all the intercepts for the graph shown and determine whether the graph is symmetric with respect to he x-axis, y-axis, orig
qwelly [4]
There are 3 x intercepts
(-2, 0) (0, 0) and (2, 0)

There is a y intercept at (0, 0)

Symmetric about x axis: No

Symmetric about y axis: No

Symmetric about the origin: Yes

7 0
3 years ago
Suppose a basketball player has made 223223 out of 406406 free throws. If the player makes the next 22 free throws, I will pay y
makkiz [27]

Answer:

Expected value E = $0.45

Step-by-step explanation:

Expected value E = P×w - P'×l

Where;

P = probability of making the next 2 throw.

P = 223/406 × 223/406 = 0.3017

P' = probability of not making a throw.

P' = 1 - P = 1 - 0.3017

P' = 0.6983

w = expected win = $20

l = Expected loss = $8

Substituting the values;

E = 0.3017 × $20 - 0.6983 × $8

E = $0.4476

Expected value E = $0.45

5 0
4 years ago
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