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krok68 [10]
4 years ago
7

Find the size of angle acb​

Mathematics
1 answer:
lukranit [14]4 years ago
6 0

The answer is a 74 degree angle. This is a simple one to remember.

You might be interested in
If f(x)= 20-3x, then find a if f(a)= -11.
Basile [38]

Answer:

53

Step-by-step explanation:

if f(a)= -11 the the equation is: 20-3(-11)

First, multiply -3 and -11:

20-3×(-11)

20+33

Now, add:

20+33= <u>53</u>

<u></u>

Hope this helps!! <3

6 0
3 years ago
The soccer team collected $800 at a car wash fundraiser. They charged $5.00 for small vehicles and $10.00 for larger vehicles. T
vekshin1

Answer:

b. 60

Step-by-step explanation:

We have been given a formula 5x+10y=800, where x represents the number of small vehicles and y represents the number of larger vehicles.

To find the number of small vehicles, we will substitute y=50 in the given equation as:

5x+10(50)=800

5x+500=800

5x+500-500=800-500

5x=300

\frac{5x}{5}=\frac{300}{5}

x=60

Therefore, 60 small vehicles were washed in total and option 'b' is the correct choice.

6 0
3 years ago
Help on how to do this problem​
siniylev [52]

Hello!

We can first find RZ. A midpoint is the point right in the middle of a line segment. It splits the line into two equivalent lengths. If z is the midpoint of RT, it therefore splits RT into two equivalent segments, RZ and ZT. Thus, the length of RZ is equivalent to ZT, therefore, the length of RZ is 150.

Next, find RT. We know that RT is made of RZ and ZT, and we know the side lengths of both - 150 and 150. Therefore, add these two together to get the length of RT. 150 + 150 = 300.

Finally, find x. We know that RZ is equal to 150, and we are given 8x - 10 = RZ. Therefore, we know 8x - 10 = 150. Solve this equation for x by isolating x.

8x - 10 = 150

8x = 160

x = 20

Therefore, x = 20.

Your final answer is choice C: x = 20, RZ = 150, and RT = 300.

Hope this helps!

4 0
4 years ago
Read 2 more answers
Explain how you can use fraction strips or number lines to show that three fourths and six eighths are equivalent.
Aneli [31]

Answer:

Step-by-step explanation:

Put two rectanagles on top of each other

Divide one into fouth equal peices and one into eight equal peices.

Color 3 peices into the 4 peice shape

Color 6 peices into the 8 peice shape.

The 3/4 peices should be the same length of the 6/8 peices.

5 0
3 years ago
Given: Triangles ABC and DBC are isosceles, m∠BDC = 30°, and m∠ABD = 155°. Find m∠ABC, m∠BAC, and m∠DBC.
just olya [345]
∠BDC=30, so ∠CBD + ∠BCD=180-30=150
ΔDBC is isosceles, so ∠CBD=∠BCD=half of 150=75
∠ABC=∠ABD-∠CBD=155-75=80
ΔABC is isosceles, so ∠ABC=∠ACB=80
∠BAC=180-80-80=20
7 0
4 years ago
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