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3 years ago

Evaluate the expression for x = 2.60 ÷ x2 + 7x · 4

Mathematics

1 answer:

Temka [501]3 years ago

7 0

Answer:

the question does not make sense. please rewrite the question.

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The corresponding sides of abc and def have equal lengths. The area of anc is 4 square units, and the longest side of def is 5 u

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3 years ago

HELP HELP HELP*. Hei has $1,700 in a retirement account earning 4% interest compounded annually. Each year after the first, she

KatRina [158]

$~~~~~~~~~~~~\stackrel{\textit{payments at the beginning of the period}}{\textit{Future Value of an annuity due}}\\ ~~~~~~~~~~~~ \\\\ A=pmt\left[ \cfrac{\left( 1+\frac{r}{n} \right)^{nt}-1}{\frac{r}{n}} \right]\left(1+\frac{r}{n}\right)$

$\begin{cases} A=\textit{accumulated amount} \\ pmt=\textit{periodic payments}\dotfill &1700\\ r=rate\to 4\%\to \frac{4}{100}\dotfill &0.04\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{annually, thus once} \end{array}\dotfill &1\\ t=years\dotfill &5 \end{cases} \\\\\\ A=1700\left[ \cfrac{\left( 1+\frac{0.04}{1} \right)^{1\cdot 5}-1}{\frac{0.04}{1}} \right]\left(1+\frac{0.04}{1}\right) \\\\\\ A=1700\left( \cfrac{1.04^5~~ - ~~1}{0.04} \right)(1.04)\implies A\approx 9576.06$

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3 years ago

90 miles to 63 miles? please answer??? okay?

Nikolay [14]

90 to 60 miles would take about 30 minutes or 1 hour

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3 years ago

I have a list of expressions to simplify. pls help!

Nezavi [6.7K]

Answer:

1. 80

2. -13

3. -11

4. 21

5. -18

6. -8

7. -6

8. 2

9. -23

10. 10

11. -36

12. 28

13. 12

14. 9

15. -91

16. -10

17. 12

18. -9

19. 5

20. 44

21. 0.7273

22. -169

23. 15

24. -48

25. -7

26. 2

27. 11

28. -9

29. 104

30. -1

Step-by-step explanation:

Plz mark brainliest thnxxx

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3 years ago