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arlik [135]
3 years ago
8

What is the value of x3 + 4, when x = 6?

Mathematics
2 answers:
storchak [24]3 years ago
6 0
Well let’s remember the rules of pemdas.

Parentheses
Exponents
Multiplication
Division
Addition
Subtraction

Since 6 has a exponent of 3 we could do 6^3 before adding 4. 6^3= 216

So then we would have 216+4.

That would equal 220. The value when x=6 is 220.
tresset_1 [31]3 years ago
5 0
Plug in 6 for x
3(6) + 4 = 22
The value if 22, or you can write it like:
f(6) = 22
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1+4=5<br> 2+5=12<br> 3+6=21<br> 8+11=?
Mrac [35]

Answer:40

Step-by-step explanation:

21+8=29

29+11=40

6 0
3 years ago
A student charges $31.50 for 3 hours of babysitting. If the amount the student earns babysitting is proportional to the hours sp
vodomira [7]

Answer:

C) y is equal to 10.5x

Step-by-step explanation:

$31.50 is charged for <em>3  </em>hours so, for 1 hour we need to divide 31.50 by 3, which results in 10.50. So 1 hour of babysitting is $10.50

this is because x is equal to the number of hours they babysit. we do not know the actual so it is replaced with x

and y is equal to the sum of 10.5x because we multiply the number of hours worked, and the amount per hour.

7 0
3 years ago
The first astronaut on mars tossed a rock straight up.the height h measured in feet after tt seconds is given by function h(t)=-
Artemon [7]

Answer:

h'(t)= -12

Step-by-step explanation:

h'(t)=d/dt (-6t x 2 + 24 + 6)

h'(t)=d/dt (-12t + 24 + 6)

h'(t)=d/dt (-12t + 30)

h'(t)=d/dt (-12t) + d/dt (30)

h'(t)= -12+0

7 0
3 years ago
Felicia drew a triangle with side lengths that measured 15 cm, 18 cm and 27 cm. To determine if Felicia drew a right triangle, s
Charra [1.4K]

Answer:

The equation should be h²=P²+b²

27²=15²+18²

729=225+324

729=549

thus, it is not right angle triangle

3 0
3 years ago
I have 5 digits.My 9 is worth 10000. my 2 is worth 2 thousand one of my 7s is worth 70. the other is worth 10 times as much. my
liberstina [14]

Answer:

92776

Step-by-step explanation:

FIrst multiply:

9*10000= 90000

2*1000=2000

70*10= 700

Then add:

90000+2000+700+70(already given)+6(already given)= 92776

Hope this helps! :)

5 0
3 years ago
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