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3 years ago

-1/2 + 2. What is the solution to this problem

Mathematics

2 answers:

andriy [413]3 years ago

8 0

-1/2 + 2 = 1.5
because if u add 2 to a minus half it goes 0 and then 1.5 (positive half)

kvv77 [185]3 years ago

3 0

The answer is 1.5. Hope this helped.

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Hallie bikes 1 5/8 km before lunch 6 1/4 km How much farther does hallies bike after lunch than before lunch? Express your answe

kondaur [170]

Distance biked before lunch = 1 $\frac{5}{8}$ km (the number is written in mixed fraction)

⇒ Distance biked before lunch = $\frac{13}{8}$

Distance biked after lunch = 6 $\frac{1}{4}$ km (the number is written in mixed fraction)

⇒ Distance biked after lunch = $\frac{25}{4}$

We need to determine how much farther does Hallie bike after lunch than before lunch

Extra distance biked after lunch vs. before lunch = $\frac{25}{4}$ - $\frac{13}{8}$

⇒ Extra distance biked after lunch vs. before lunch = $\frac{50-13}{8}$

⇒ Extra distance biked after lunch vs. before lunch = $\frac{37}{8}$

⇒ Extra distance biked after lunch vs. before lunch = 4 $\frac{5}{8}$ (in mixed fraction)

Hence, Hallie biked 4 $\frac{5}{8}$ km extra after lunch vs. before lunch.

3 0

3 years ago

Use Green's Theorem to evaluate the line integral along the given positively oriented curve.

Vlad [161]

By Green's theorem, the line integral is equivalent to the area integral

$\displaystyle\int_C(3y+7e^{\sqrt x})\,\mathrm dx+(8x+9\cos(y^2))\,\mathrm dy=\int_0^1\int_{x^2}^{\sqrt x}\frac{\partial(8x+9\cos(y^2))}{\partial x}-\frac{\partial(3y+7e^{\sqrt x})}{\partial y}\,\mathrm dy\,\mathrm dx$

$=\displaystyle5\int_0^1\int_{x^2}^{\sqrt x}\mathrm dy\,\mathrm dx=\boxed{\frac53}$

6 0

3 years ago

Helppppppppppp please am struggling

AURORKA [14]

Answer:

x = 60°

Step-by-step explanation:

The circle is 360°, thus

2y + y = 360

3y = 360 ( divide both sides by 3 )

y = 120°

The tangent- secant angle ABT is one half the measure of the intercepted arc AB, thus

x = 0.5 × 120° = 60°

5 0

2 years ago

Which phrase describes the algebraic expression B2+7?

svp [43]

Answer:

180

Step-by-step explanation:

3 0

3 years ago

A geometric sequence has an initial value of 2 and a common ratio of 3. Which formula would be more practical to use if you were

Makovka662 [10]

Answer:

19th term = ar^18

19th term = 774,840,978

Step-by-step explanation:

First term, a = 2

Common ratio, r = 3

nth term of a geometric sequence = ar^(n-1)

19th term = ar^(19-1)

19th term = ar^18

= 2 × 3^18

= 2 × 387,420,489

= 774,840,978

19th term = 774,840,978

8 0

3 years ago