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faltersainse [42]
3 years ago
10

Quiz

Mathematics
1 answer:
Maru [420]3 years ago
7 0
Need help to but can you mark Brainily
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Find the value of the expression 2x cubed + 3y squared - 17 when x = 3 and y = 4.
Svetlanka [38]
2x^3+3y^2-17\\\\subtitute\ the\ values\ of\ the\ x=3\ and\ y=4\ to\ the\ expression:\\\\2(3^3)+3(4^2)-17=2(27)+3(16)-17=54+48-17\\\\=102-17=\boxed{85}\\----------------------\\3^3=3\times3\times3=27\\\\4^2=4\times4=16
4 0
3 years ago
Read 2 more answers
Plsssss help!!! This assignment is missing and I need to turn it in because grades are coming out soon!!!
Bess [88]

Answer:

Gallons:       Miles:

0                  0

1                   23

2                  46

3                  69

Step-by-step explanation:

First, you would figure out what the unit rate is. To do that, you would divide the 184 miles by the 8 gallons of gas. You get 23 miles per gallon of gas.

Then, to fill out the unit rate table, copy this method:

You know that 0 gallons of gas would lead you nowhere, so you would put a zero in the first row.

In the second row, you use your answer from the first row (0) and add the number of miles per gallon of gas. You would add 0 + 23 and get 23. Put 23 in the second row.

In the third row, you multiply the number of miles per gallon of gas by 2. The answer is 23 x 2 = 46.

Lastly, you multiply 23 x 3 (answer: 69) to fill out the final row.  

4 0
3 years ago
State if the triangles in each pair are similar. If so, State how you know, they are similar and complete the similarity stateme
Setler [38]

Answer:  (23) ΔTED, AA

                (24) ΔARS, SAS

                (25) ΔARS, SAS

                (26) ΔRBA, AA

<u>Step-by-step explanation:</u>

23) ∠D = ∠V  Given

     ∠T = ∠T   Reflexive Property

ΔTUV ~ ΔTED  by AA Similarity Theorem

24)\quad \dfrac{AB}{AR}=\dfrac{AC}{AS}\longrightarrow  \dfrac{10}{5}=\dfrac{10}{5}\longrightarrow 50=50\qquad sides\ are\ proportional\\\\.\qquad \angle A=\angle A\\\\

ΔABC ~ ΔARS  by SAS Similarity Theorem

25)\quad \dfrac{AC}{AS}=\dfrac{AB}{AR}\longrightarrow  \dfrac{91}{78}=\dfrac{56}{48}\longrightarrow 4368=4368\qquad sides\ are\ proportional\\\\.\qquad \angle A=\angle A\\\\

ΔABC ~ ΔARS  by SAS Similarity Theorem

26) ∠Q = ∠B  Given

     ∠QRP = ∠BRA   Vertical Angles

ΔRQP ~ ΔRBA  by AA Similarity Theorem

3 0
3 years ago
Evaluate 12y when y = 4.
Alenkinab [10]

Answer:

48

Step-by-step explanation:

12*4=48

substitute y for the given value

7 0
3 years ago
Read 2 more answers
Will mark brainliest and 100 points
DanielleElmas [232]

Answer: What you can be experiencing could be known as an overload, you should try to lay back on doing all that work and take a break

5 0
3 years ago
Read 2 more answers
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