Evaluate if x = 2 and y = -4: x³ + y² *

Mathematics

1 answer:

Marta_Voda [28]3 years ago

8 0

Answer:

=24

Step-by-step explanation:

Evaluate for x=2,y=−4

23+(−4)2

You might be interested in

My question got deleteddd but does anyone wanna talk? I'm 14

fgiga [73]

??????????????????????????????????????

7 0

2 years ago

Read 2 more answers

I will mark you brainiest if you can answer this

Svet_ta [14]

The answer should be B bc the point is at 1 and it rises 2 and runs 3 to the left so it’s negative

4 0

2 years ago

A school has 2 computer labs. Each lab has 30 computers. A total of

Korolek [52]

Answer:

(2*30)-6

Step-by-step explanation:

8 0

3 years ago

OLEGan [10]

Step-by-step explanation:

Rectangle=(2l+b)

thanks for the points

6 0

2 years ago

Please help differentiate this!!!!!!!!!

vlada-n [284]

$\bf h=20ln(3t+2)+30\\\\
-------------------------------\\\\
\boxed{a}\\\\
\stackrel{0~years}{t=0}\qquad h=20ln[3(0)+2]+30\implies h=20ln(2)+30
\\\\\\
h\approx 43.86
\\\\\\
\boxed{b}\\\\
\stackrel{1~meter}{h=100}\qquad 100=20ln(3t+2)+30\implies 70=20ln(3t+2)
\\\\\\
\cfrac{70}{20}=ln(3t+2)\implies \stackrel{\textit{log cancellation rule}}{e^{\frac{7}{2}}=e^{ln(3t+2)}}\implies e^{\frac{7}{2}}=3t+2
\\\\\\
e^{\frac{7}{2}}-2=3t\implies \cfrac{e^{\frac{7}{2}}-2}{3}=t\implies 10.371817\approx t$

$\bf \boxed{c}\\\\
\cfrac{dh}{dt}=20\left(\cfrac{1}{3t+2}\cdot 3 \right)+0\implies \cfrac{dh}{dt}=20\left(\cfrac{3}{3t+2} \right)\\\\\\ \cfrac{dh}{dt}=\cfrac{60}{3t+2}
\\\\\\
\left. \cfrac{dh}{dt} \right|_{3}\implies \cfrac{60}{3(3)+2}\implies \cfrac{60}{11}
\\\\\\
\left. \cfrac{dh}{dt} \right|_{10}\implies \cfrac{60}{3(10)+2}\implies \cfrac{15}{8}$

5 0

3 years ago

Read 2 more answers