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Taya2010 [7]
3 years ago
8

Explain how you find it

Mathematics
1 answer:
aliina [53]3 years ago
8 0

Answer:

x = 39

Step-by-step explanation:

there is a theorem that states that the midsegment in a trapezoid is equal to the sum of the bases divided by two

so, (36 + 42)/2 = x

36 + 42 = 78

78/2 = 39

You might be interested in
2 1/4 r= 10<br> A. r = 4 1/3<br> B. r = 4 2/5<br> C. r = 4 4/9
max2010maxim [7]
Here, 2 1/4 r = 10
9/4 r = 10
r = 10*4 /9
r = 40 / 9
r = 4 4/9

In short, Your Answer would be Option C

Hope this helps!
8 0
3 years ago
Solve the system of equations graphicallySolution=?
BigorU [14]

The given system is

\begin{cases}y=\frac{5}{2}x-8 \\ y=-\frac{1}{2}x-2\end{cases}

Given that y = y, let's combine the equations

\frac{5}{2}x-8=-\frac{1}{2}x-2

Let's solve for x

\begin{gathered} \frac{5}{2}x+\frac{1}{2}x=8-2 \\ \frac{6}{2}x=6 \\ 3x=6 \\ x=\frac{6}{3} \\ x=2 \end{gathered}

Then, we find y

y=-\frac{1}{2}x-2=-\frac{1}{2}\cdot2-2=-1-2=-3

The solution is (2, -3).

The image below shows the solution graphically.

3 0
1 year ago
(04.07) Julie is at the store buying groceries. She needs to get a quart of orange juice and some peaches. The quart of orange j
hjlf

Answer:

f(x) is the total cost and x is the number of peaches.

Step-by-step explanation:

We know that each peach costs $0.75.  This means the expression 0.75x represents the total cost of peaches; this makes x represent the number of peaches.

We also know that $2.25 is the cost of juice.  Adding it to the cost of peaches gives us the total cost; this means f(x) represents the total cost.

5 0
3 years ago
What’s 1/50 rounded to the nearest 100
blagie [28]

Answer:

*Under the assumption you mean "What's 1.50 rounded to the nearest 100th"*

1.50<====

Step-by-step explanation:

Looks like a trick question. The first number after the decimal is a tenth, the next one a hundredth. There is no thousandth to round up the hundredth and so the number is already rounded.

Brainlist please

Skibidi bop mm dada B O O M

5 0
3 years ago
Read 2 more answers
HELPPPP...
uysha [10]
A. $6800 + $1360= $8160 total cost

b.
$68.85 each * 165 bracelets = $11360.25
$11360.25- $8160 total cost = $11278.75 profit

$11278.75 profit/$8160 total cost= 1.38218
1.38218= about 138%

Final answer: 138%
Warning: This answer will vary if you find the percent over cost (not including duty).
7 0
3 years ago
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