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sdas [7]
2 years ago
6

I really need to know theese and rhe rest plsss

Mathematics
2 answers:
gayaneshka [121]2 years ago
7 0

Answer:

10.45?

Step-by-step explanation:

Evgen [1.6K]2 years ago
5 0

Answer:

5.05

Step-by-step explanation:

-2.7+7.75

2.7 is how much he descends so its negative

And 7.75 for how much he went up so its positive

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lyudmila [28]
To start off you would need to use the order of PEMDAS

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Exponents
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So first would be the exponents of -4^0 which would equal -1 because anything to the power of 0 is 1. Then (-2)^3 would just be (-2)x(-2)x(-2)= -8. Which gives 28/7-1+(-8)

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3 years ago
5x^3+40= the integral of f(t) dt from a to x solve for a
alexgriva [62]
5x^3+40=\displaystyle\int_a^xf(t)\,\mathrm dt

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\dfrac{\mathrm d}{\mathrm dx}\left[5x^3+40\right]=\dfrac{\mathrm d}{\mathrm dx}\displaystyle\int_a^xf(t)\,\mathrm dt
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This means

\displaystyle\int_a^x15t^2\,\mathrm dt=5x^3+40
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