ANYONE HELP FOR THESE AND CAN U EXPLAIN HOW TO DO IT

Mathematics

1 answer:

aleksley [76]3 years ago

4 0

On your X-axis, go to -5 and identify which Y-coordinate it is. For this problem, it would be -2.

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3b 2a=5a−6 solve the equation for a in terms of <br> b.

oee [108]

Is it 3b-2a=5a-6
or
3b+2a=5a-6

you are missing the sign of 2a

4 0

3 years ago

Evaluate the expression 4•9+6/-3

kykrilka [37]

You have to multiplying first, then adding on 6 over negative 3 as a fraction. The parentheses it will be multiplying.

(4)(9)+6/-3

= 34.

It will help you.

Have a great day!

-Charlie

8 0

3 years ago

Read 2 more answers

An ice cream shop sells cones at the volume of 94.2 cubic meters they want to double the volume of the cones without changing th

marin [14]

The volume of a cone is $V=\pi r^2\frac{h}3$ where r = radius and h = height. If the cone has a volume of 94.2 cm³ (I assume you didn't mean m³ because that would be ridiculously huge) and a height of 10 cm, we can plug these values into the formula to find the radius. Don't do any rounding.

$94.2 = \pi r^2\frac{10}3 \\ 282.6 = \pi r^2 *10 \\ 28.26 = \pi r^2 \\ 8.99543738355 = r^2 \\ 2.99923946752=r$

Now we know that's going to be the radius of our <em>new </em>cone as well since we're keeping the diameter the same. The volume is going to be double 94.2 which is 188.4. Let's solve for the height.

$188.4 = \pi (2.99923946752)^2\frac{h}3 \\ 188.4 = \pi(8.99543738355)\frac{h}3 \\ 188.4 = 28.26\frac{h}3 \\ 565.2 = 28.26h \\\\ \boxed{h = 20, r\approx 3}$

5 0

3 years ago

A department store sells a pair of shoes with an 87% markup. If the store sells the shoes for $192.61, what was the original pri

andrew-mc [135]

Answer:

The required selling price of the shoes to the nearest dollar is $103.

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

A square field has an area of 144 metres squared. If Andrea walked 10 times around this field, what distance did she cover?

Novosadov [1.4K]

Answer:

480m

Step-by-step explanation:

First we have to find the perimeter of the field.

We know that the area is 144m and that the field is a square.

Since a squares sides are all equal, we can do $\sqrt{144}$ , which is 12m.

So, one side of the field is 12m; now we just find the perimeter which is easy since its a square. 12*4=48m

If Andrea walked around it 10 times, then we just multiply the perimeter by 10

48*10=480m

7 0

3 years ago