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3 years ago

I need help fast please

Mathematics

2 answers:

loris [4]3 years ago

8 0

I think the answer be C? Sorry if it's wrong

levacccp [35]3 years ago

5 0

Answer:

it's

answer D

Step-by-step explanation:

$5.0 \times 10 ^{ - 4} - 3.0 \times {10}^{ - 5} \\ 0.0005 - 0.00003 \\ = 0.00047 = 4.7 \times {10}^{ - 4}$

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Madeleine owes $36,000 to a private lender. The debt grows with 12% annual interest that compounds every week. How much will Mad

viva [34]

Answer:

A= $40584.28

Step-by-step explanation:

P = 36000

r = 12% = 0.12

n = 52 weeks

t = 1

$A = P(1 + \frac{r}{n})^{nt}\\$

$=36000(1 + \frac{0.12}{52})^{52 \times 1}\\\\=36000 (1.002307)^{52}\\\\=36000 \times 1.12734\\\\=40584.28$

7 0

2 years ago

The difference of twice a number and 6 is less than - 18.

oee [108]

Answer:

2x-6<-18

Step-by-step explanation:

4 0

2 years ago

Find x<br> a) 21 √2<br> b)7<br> c)21 √2/2<br> d)21 √3/2

fgiga [73]

Answer:

Step-by-step explanation:

Use the sine ratio in the left, right triangle to find the common side to both triangles and the exact values

sin60° = $\frac{\sqrt{3} }{2}$ , cos45° = $\frac{1}{\sqrt{2} }$ , thus

sin60° = $\frac{opposite}{hypotenuse}$ = $\frac{opp}{7\sqrt{3} }$ = $\frac{\sqrt{3} }{2}$ ( cross- multiply )

2 × opp = 21 ( divide both sides by 2 )

opp = $\frac{21}{2}$

Now consider the right triangle on the right, using the cosine ratio

cos45° = $\frac{adjacent}{hypotenuse}$ = $\frac{\frac{21}{2} }{x}$ = $\frac{1}{\sqrt{2} }$ ( cross- multiply )

x = $\frac{21}{2}$ × $\sqrt{2}$ = $\frac{21\sqrt{2} }{2}$ → C

5 0

2 years ago

Let f(x) = 5x – 3 and g(x) = -2x + 7. Find f(x) + g(x).

notka56 [123]

f(x) + g(x) = 5x - 3 - 2x + 7

= 3x + 4

Hope this helps! If you have any questions, feel free to ask.

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3 years ago

15+0.5x=25+0.25x please show how

sveticcg [70]

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

x= 40

8 0

2 years ago

Read 2 more answers