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Natalka [10]
3 years ago
6

Can someone plz help its due soon

Mathematics
1 answer:
Mariana [72]3 years ago
5 0
Hotdog hotdog hotdog hotdog
You might be interested in
Someone help pleaseee
Doss [256]

Answer:

38°

Step-by-step explanation:

All triangles have a sum of 180°

180 - (119 + 23) = missing angle

180 - (142) = missing angle

38 = missing angle

So, the missing angle has a measurement of 38°

5 0
4 years ago
What is the inverse of the function f(x) = 2x + 1?
tiny-mole [99]

F(X) = 2x + 1

Replace f(x) with y:

Y = 2x+ 1

Switch variables:

X = 2y + 1

Solve for Y:

Subtract 1 from both sides:

X- 1 = 2y

Divide both sides by 2:

X-1 / 2 = y

Rewrite so y is in the left side:

Y = x-1 / 2

Replace y with f^-1(x):

F^-1(x) = x-1 / 2

This can also be written as x/2 - 1/2

8 0
3 years ago
A merchant buys a television for $125 and sells it for a retail price of $200. What is the markup
beks73 [17]
The markup is the percent of the original price that it is increased by. To determine the percentage marked up, you will subtract the new price and the original price, and then divide that by the original price.

200-125=$75

75/200=0.375 or 37.5% markup.
5 0
4 years ago
If y varies directly as z and inversely as x and y = –18 and z = 3 when x = 6, find y when x = 5 and z = –5.
JulijaS [17]

Answer:

y = 36

Step-by-step explanation:

Given y varies directly as z and inversely as x then the equation relating them is

y = \frac{kz}{x} ← k is the constant of variation

To find k use the condition y = - 18, z = 3 when x = 6 , then

- 18 = \frac{3k}{6} ( multiply both sides by 6 )

- 108 = 3k ( divide both sides by 3 )

- 36 = k

y = \frac{-36z}{x} ← equation of variation

When x = 5 and z = - 5, then

y = \frac{-36(-5)}{5} = \frac{180}{5} = 36

6 0
3 years ago
The high temperature in Northville one day was 14°F. The low temperature on the same day was –9°F. What was the difference betwe
strojnjashka [21]

Answer:

-15

Step-by-step explanation: you have to think about it like a chat which means you have to count and with that being said that’s how I got -15


6 0
3 years ago
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