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mario62 [17]
3 years ago
10

Please help me with question, worth 15 points

Mathematics
1 answer:
Alexxx [7]3 years ago
4 0
Line 4 has the error it should be 12/6
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A painter earns $15 per hour. What is the minimum number of hours he must work to earn at least $200? Write an inequality to rep
vovikov84 [41]

Answer:

200<=15x

divide by 15

You have to work at least 13 1/3 hours to earn $200

<= means greater than or equal to

Step-by-step explanation:

3 0
2 years ago
Find the midpoint of the 2 points (-2,-7) (10-5)
Inessa05 [86]

Answer:

(4,-6)

Step-by-step explanation:

3 0
3 years ago
What is the value of x?
andrew11 [14]
Hope this will help you .

answer is 68

given than 2 sides are equal therefor 2 angles are also equal ,

so, angle 1 + angle2 + angleX = 180 [ASP]

2angle1 + angle X = 180
angle x = 150 - [56][2]
angle x = 180-112

ANGLE x = 68 DEGREE
MARK IT BRAINIEST IF IT WAS REALLY HELPFUL.
4 0
3 years ago
Work out the value of (1.7 × 10⁴) × (8.5 × 10^-2) give your answer in standard form
kogti [31]

Answer:

Step-by-step explanation:

10^4 = 10000

1.7 × 10^4 = 1.7 × 10000

= 17000

10^-2 = 1/10^2= 1/100

8.5 × 10^-2 = 8.5 × 1/100

= 17/200

Final answer = 17000 × 17 / 200

= 1445

Plz mark it as brainliest

7 0
3 years ago
Please help differentiate this!!!!!!!!!
vlada-n [284]
\bf h=20ln(3t+2)+30\\\\&#10;-------------------------------\\\\&#10;\boxed{a}\\\\&#10;\stackrel{0~years}{t=0}\qquad h=20ln[3(0)+2]+30\implies h=20ln(2)+30&#10;\\\\\\&#10;h\approx 43.86&#10;\\\\\\&#10;\boxed{b}\\\\&#10;\stackrel{1~meter}{h=100}\qquad 100=20ln(3t+2)+30\implies 70=20ln(3t+2)&#10;\\\\\\&#10;\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&#10;\\\\\\&#10;e^{\frac{7}{2}}-2=3t\implies \cfrac{e^{\frac{7}{2}}-2}{3}=t\implies 10.371817\approx t

\bf \boxed{c}\\\\&#10;\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}&#10;\\\\\\&#10;\left. \cfrac{dh}{dt}  \right|_{3}\implies \cfrac{60}{3(3)+2}\implies \cfrac{60}{11}&#10;\\\\\\&#10;\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
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