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3 years ago

I need help pleaseee

Mathematics

1 answer:

elena-s [515]3 years ago

7 0

Answer:

Step-by-step explanation:

Halves it ?

I don't really get what he wants but I guess he wants me to know that is "Cuts it in a half" basically.

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a jet bomber traveling 500 mph arrived over its Target at the same time as its fighter jet escorted which left the same fate 2.5

vlada-n [284]

Since the jet bomber arrived over its Target at the same time as its fighter jet escorted, it took the jet bomber 0.34 h to reach the target.

<h3 />

To find the number of hours, we need to solve simultaneous equations.

<h3>What are simultaneous equations?</h3>

Simultaneous equations are pair of equations which contain two unknowns.

<h3>How to calculate the number of hours the bomber jet took off?</h3>

Let

D = distance travelled by both bomber jet and fighter jet.
t = time bomber jet took off
v = speed of bomber jet.
T = time fighter jet took off and
V = speed of fighter jet.

So, D = vt

D = 500t (1)

Also, D = VT

D = 60T (2)

Since jet bomber traveling 500 mph arrived over its Target at the same time as its fighter jet escorted which left the same fate 2.5 hours after the bomb took off.

T = t + 2.5

So, D = 60(t + 2.5) (3)

<h3>The required simultaneous equations</h3>

D = 500t (1)

D = 60(t + 2.5) (3)

Equating equations (1) and (3), we have

500t = 60(t + 2.5)

500t = 60t + 150

500t - 60t = 150

440t = 150

t = 150/440

t = 15/44

t = 0.34 h

So, it took the jet bomber 0.34 hours to reach the target.

Learn more about simultaneous equations here:

brainly.com/question/27829171

#SPJ1

8 0

2 years ago

8x=24 is 8x=24÷4 the same

topjm [15]

No there not equivalent <span />

6 0

3 years ago

Read 2 more answers

Find the slope of the line.

joja [24]

Answer:

you divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points

4 0

3 years ago

Carissa also has a sink that is shaped like a half-sphere. The sink has a volume of 3000

defon

Answer:

a) 80
b) 56

Step-by-step explanation:

a) Calculate the volume of the the cup using volume of cylinder equation: $V = \pi r^{2} h$

Where V = Volume, r=radius, and h=height. Your answer should be in cubic inches ( $in^3$ ).
You're given diameter, so use equation $d/2 = r$ to find radius.
Substituting these equations will give you: $V = \pi (d/2)^2 h$
However, the given volume of the sink is 3000 $\pi$ , meaning that you should modify your results to match this value. Do not substitute $\pi$ for 3.14..., leave it as a symbolic value. Your final V of the cup should = 37.5 $\pi$
Divide the volume of the sink by the volume of the cup. This number will be the amount of cups needed to empty it. In equation form:
$Vsink / V cup =$ # of cups.
Note the the $\pi$ will cancel each other out, so there's not need to factor that in.
b) Repeat the steps above with the new d (diameter) value.