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vovangra [49]
3 years ago
9

I need help on 13 The instructions are to: evaluate the following if a =6 , B=3 and c = 2.

Mathematics
2 answers:
zubka84 [21]3 years ago
7 0
The answer I think should be 7a2 +a -5b
Zigmanuir [339]3 years ago
4 0

Answer:

I believe the answer is -243

Step-by-step explanation:

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Use the equation below to find y, if m=2, x=8, and b=3.
Blizzard [7]

Answer:

y = 19

Step-by-step explanation:

Plug in the values

y = 2*8 + 3

y= 16+3

y= 19

5 0
2 years ago
Read 2 more answers
Help please with this one
evablogger [386]

Answer: 10.20 yd

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

 h² + 5h - 155 = 0

a=1   b=5  c=-155

x = \frac{-b +/- \sqrt{b^{2}-4ac}}{2a}

h = \frac{-5 +/- \sqrt{5^{2}-4(1)(-155)}}{2(1)}

h = \frac{-5 +/- \sqrt{25+620}}{2}

h = \frac{-5 +/- \sqrt{645}}{2}

h = \frac{-5 +/- 25.40}{2}

h = \frac{-5 +25.40}{2}    ,    h = \frac{-5 - 25.40}{2}

h = \frac{20.40}{2}          ,     h = \frac{-30.40}{2}

h = 10.20            h = -15.20  (height can't be negative)


5 0
3 years ago
a muffin recipe calls for two fifths table spoon of vanilla extract for six muffins. aurthor is making 18 muffins. how much vani
olga nikolaevna [1]
1.2 
2/5=6 muffins
?/?=18 muffins

18/6=3 times as many muffins
so you need 3 times as much vanilla extract.

2/5 x 3= 1.2



8 0
3 years ago
Explain what 9 represents in each of these numbers <br><br>a19<br>b 91​
vovangra [49]

Answer:

a) 9 is in the ones place.

b) 9 is in the tens place.

3 0
3 years ago
Read 2 more answers
A square pyramid has side lengths each measuring 8 centimeters. The height of the pyramid is 3 centimeters. What is the lateral
Blababa [14]
The lateral area of the pyramid is 108.49 cm^2. The lateral surface area is the total of all of each side's area of a three-dimensional figure and it has a different method to calculate it. First, you must find the triangle's height by using the Pythagoras formula resulting 7.41 cm ( =squareroot(8^2-3^2)), thus, you can find the lateral area using the square and triangles area formula (108.49=(8*8) + 4*(0.5*3*7.41))<span>.</span>
8 0
4 years ago
Read 2 more answers
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