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oksano4ka [1.4K]
3 years ago
7

What is the value of -2 1\6 - 1 1\4 + 1 3\4

Mathematics
2 answers:
Anastasy [175]3 years ago
5 0

Answer:

If I'm correct it should be 34.

Step-by-step explanation:

cricket20 [7]3 years ago
4 0

Answer:

34

Step-by-step explanation:

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Help with my math please
d1i1m1o1n [39]

Answer:

D

Step-by-step explanation:

You just distribute the negative sign.

4 0
3 years ago
A baker needs to have 15.5 pounds of flour on hand for the weekend bread so he looks in the cupboard and finds a bag that has 4.
ivann1987 [24]

needs 15.5

4.6 + 6.1 + 4.5 = 15.2

he needs .3 pounds, doesn't have enough currently

4 0
2 years ago
5x/p = w<br> solve for x
trasher [3.6K]

Answer:

x=wp/5

Step-by-step explanation:

7 0
2 years ago
Write the integral in one variable to find the volume of the solid obtained by rotating the first-quadrant region bounded by y =
Dovator [93]

Answer:

V = π ∫₀² (y² − 8y + 6√(2y)) dy

or

V = π ∫₀² (6x − 5x² + x³) dx

Step-by-step explanation:

y₁ = 0.5x²

y₂ = x

First, find the intersections of the curves.

0.5x² = x

x² = 2x

x² − 2x = 0

x (x − 2) = 0

x = 0 or x = 2

So the points of intersection are (0, 0) and (2, 2).

When we revolve this region about the line x = 3, we get a hollow shape that looks like an upside-down funnel, or a volcano.

One option is to use washer method to find the volume, by cutting a thin horizontal slice of thickness dy, inner radius 3−x₁ = 3−√(2y), and outer radius of 3−x₂ = 3−y.

V = ∫₀² π [(3−y)² − (3−√(2y))²] dy

V = ∫₀² π (9 − 6y + y² − 9 + 6√(2y) − 2y) dy

V = π ∫₀² (y² − 8y + 6√(2y)) dy

Another option is to use shell method to find the volume, by cutting a thin vertical slice of thickness dx, radius 3−x, and height y₂−y₁ = x−0.5x².

V = ∫₀² 2π (3 − x) (x − 0.5x²) dx

V = ∫₀² 2π (3x − 1.5x² − x² + 0.5x³) dx

V = ∫₀² 2π (3x − 2.5x² + 0.5x³) dx

V = π ∫₀² (6x − 5x² + x³) dx

The second option is arguably easier to evaluate, but either one will get you the same answer (V = 8π/3).

7 0
3 years ago
Can someone help me on this math problem PLEASE
egoroff_w [7]

Answer:

QR perpendicular to PT

PR^Q=SR^T=90°

also ANGLES (QPR= STR

7 0
3 years ago
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