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3 years ago

I need help with this math problem

Mathematics

1 answer:

jeka943 years ago

8 0

Answer:

The answer should be a positive 3 instead of a negative.

Step-by-step explanation:

The error is in the first step. The equation should've been set up like this...

-14+2y+4=4

-10y+2y=-4

2y=-4+10

2y=6

y=3

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Luden [163]

37.68 is the correct answer

6 0

2 years ago

Read 2 more answers

Determine f(-1) if the graph of f(x) is given below.

-BARSIC- [3]

Answer:

$f(-1) = -2$

Step-by-step explanation:

Given

The attached graph

Required

$f(-1)$

This is the point where

$x = -1$

On the attached graph;

$f(x) = -2$ when $x = -1$

Hence:

$f(-1) = -2$

8 0

2 years ago

Mr. Khan went for a trip in his car, which travels 14.5km/h on 1 liter petrol. The

Helga [31]

Answer:

25L

Step-by-step explanation:

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5 0

2 years ago

The coordinates of the vertices for rectangle ABCD are A (2,4), B (6,10), C (9,8) and D (5,2). What

sweet [91]

Answer:

D. $\sqrt{65}$

Step-by-step explanation:

The computation of the length of a diagonal (AC or BD) of the rectangle is shown below:

As we know that

The Diagonal length of AC is

$= (x_2 - x_1)^2 + (y_2 - y_1)^2\\\\= (9 -2)^2 + (8 - 4)^2\\\\= (7)^2 + (4)^2$

$= \sqrt{49 + 16}\\\\= \sqrt{65}$

Therefore correct option is D.

3 0

2 years ago

Pls help me if I cabbnnnnsbdhdhdjdjxjkxx

lakkis [162]

Answer:

33.49 mm³

Step-by-step explanation:

The formula of volume of sphere

$= \frac{4}{3} \pi {r}^{3}$

The volume of the sphere

$= \frac{4}{3} \times 3.14 \times {2}^{3}$

$= \frac{100.48}{3}$

$= 33.4933333...$

= 33.49 mm³ (rounded to the nearest hundredth)

3 0

3 years ago