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2 years ago

What is the measure of RST? a)44 degrees b)23 degrees c)46 degrees d)92 degrees

Mathematics

2 answers:

NemiM [27]2 years ago

7 0

Answer:it’s B because I got it wrong when putting c

monitta2 years ago

3 0

The answer is C

Hope it helps

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3. A postal carrier can

Delicious77 [7]

Answer:

6 hours. ( I DID IT USING PROPORTIONS!)

Step-by-step explanation:

houses/hours

130/2.5= 312/x

(cross multiply)

130x = 780

130x/130 = 780/ 130 (divide each by 130)

6 = h

7 0

3 years ago

Read 2 more answers

Which of the following statements is not always true? A. In a rhombus, both pairs of opposite sides are parallel. B. In a rhombu

Sunny_sXe [5.5K]

The correct answer is C. I just took a test and answered B but that is not the correct answer. it is actually C

8 0

2 years ago

A 50-gallon tank is filled with a 40% ethanol solution. How much solution should be drained but and replaced with an 80% ethanol

DIA [1.3K]

How do you create your equations when working on a mixture word problem?

Let's try to think about the general form of a word problem involving mixtures.

In general, we have the following scenario:

a merchant sells two kinds of products (coffee, sweets, etc).

we know the unit prices for both kinds of products and for the final mixture

US dollars per pound for the first kind of product,

US dollars per pound for the second kind of product

US dollars per pound for the mixture

we know the total quantity formed by the mixture of the two products (

pounds)

we have to find out the quantities of each product needed to form the mixture

(here we have the variables:

denoting the quantity of the first kind of product and

denoting the quantity of the second kind of product)

Now, we have sufficient information to work out the equations.

First, we know that the sum of the two quantities is

pounds, which gives us the first equation:

Second, we know that the sale price is the product of quantity and unit price, which gives us the second equation:

⋅

Now, we have a system of two linear equations that can be easily solved by substitution.

3 0

2 years ago

Use the table below to fill in missing values.

aliina [53]

Step-by-step explanation:

We can observe from the table that the value of independent variable and then the values of function on that variable are given.

So,

f(5) = 6

As the value of function at x=5 is 6

If f(x) = 4 then x = 7

The value of function is 4 only on x=7 so the answer is x = 7

When the inverse is taken, the inputs become output and the outputs become inputs

$f^{-1}(6) = 5$

The value of inverse will be 5 because in original function 5 is input and 6 is output when this will be reversed for inverse, the output will be 5 for 6

Now,

Lastly

$if\ f^{-1}(x) = 7,\ then \x = 4$

The reverse rule of input and output will be used. The reverse function will generate 7 at input 4.

4 0

3 years ago

32 53 24 54 61 13 17 36 04 10 51 68

Leno4ka [110]

Answer:

32 53 24 54 61 13

32 53 24 54 61 1317 36 04 10 51 68

7 0

3 years ago