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pav-90 [236]
3 years ago
9

Two noncongruent triangles, each with side 6 cm and an angle measuring 40 degrees

Mathematics
1 answer:
Svet_ta [14]3 years ago
5 0

Answer:

Two noncongruent triangles, each with side 6 cm and an angle measuring 40 degrees This might be it

Step-by-step explanation:

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1. The sum of two numbers is 64. One of the numbers is 16 more than 3 times the other. Find the
Mamont248 [21]

Answer:

The two numbers are 52 and 12.

Step-by-step explanation:

x+y=64

x=16+3y

Now, substitute the second equation into the first one.

16+3y+y=64

16+4y=64

4y=48

y=12

Substitute 12 into one of the equations in order to find x.

x=16+3(12)

x=16+36

x=52

5 0
3 years ago
The formula for the area of a rhombus is A = a equals StartFraction one-half EndFraction d 1 d 2.d1d2, where d1 and d2 are the l
Strike441 [17]

Answer:

\large\boxed{d_1=\dfrac{2A}{d_2};\ d_2=\dfrac{2A}{d_1}}

Step-by-step explanation:

A=\dfrac{1}{2}d_1d_2\qquad\text{multiply both sides by 2}\\\\2A=2\!\!\!\!\diagup\cdot\dfrac{1}{2\!\!\!\!\diagup}d_1d_2\\\\2A=d_1d_2\to d_1d_2=2A

\text{For}\ d_1:\\\\d_1d_2=2A\qquad\text{divide both sides by}\ d_2\neq0\\\\d_1=\dfrac{2A}{d_2}\\\\\text{For}\ d_2:\\\\d_1d_2=2A\qquad\text{divide both sides by}\ d_1\neq0\\\\d_2=\dfrac{2A}{d_1}

4 0
3 years ago
Read 2 more answers
Sophia's school took a field trip. a total of 21 vehicles were needed for the trip. some students took the bus, and some student
Liono4ka [1.6K]
Let x be the number of buses, and y the number of cars.
\left \{ {{x+y=21} \atop {30x+4y=318}} \right.
We can solve for y in the first equation to get:
y=21-x
Now we can replace 21-x in our second equation, and solve for x:
30x+4(21-x)=318
30x+84-4x=318
26x=234
x= \frac{234}{26}
x=9

We can conclude that 9 buses were needed for the trip.
4 0
4 years ago
Can someone please help me with this question?
hjlf

Answer:

C. 61

Step-by-step explanation:

Opposite angles of a circumscribed quadrilateral are supplementary.

That means that

x + 119 = 180

x = 61


4 0
3 years ago
Read 2 more answers
Match each phrase to the type of interest rate it describes.
KATRIN_1 [288]

<u>Nominal Interest Rate:</u> Does not consider inflation  provides a sense of  purchasing power

<u>Real Interest Rate</u>: It describes the stated interest rate on  an account  and also considers inflation

Step-by-step explanation:

Real interest rate  can be defined as the <u>Nominal interest rate minus the inflation rate.</u>

<u></u>

<u>Nominal Interest Rate </u>is the interest rate without taking into account the inflation

7 0
3 years ago
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