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2 years ago

(1.598 × 10¹7) - (4.58 × 10¹5) simplify

Mathematics

1 answer:

inessss [21]2 years ago

7 0

Use Picture Math, i cant type in the other cause brainly doesn't accept it but it is Ga_thMath. (u)

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Two bicyclists were racing toward each other when they were 98 miles apart. Three hours later they did not meet yet and the dist

lesya [120]

Let, speed of 1st bicyclist is x.

So, speed of 2nd bicyclist is x-3 .

We know, relative speed when two objects moves towards each other :

$v = x + ( x-3 )\\\\v = 2x - 3$

Now, distance travelled in 3 hours is (98-2) miles .

So,

$2x-3 = \dfrac{96}{3}\\\\2x - 3 = 32\\\\2x = 35\\\\x = 17.5\ mph$

Therefore, speed of bikes are 17.5 mph and 14.5 mph.

Hence, this is the required solution.

5 0

3 years ago

7. A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the

svp [43]

Answer: 475.59 meters .

Step-by-step explanation:

The correct equation is the following:

$y =-0 .02x^2 +9.5x + 5.6$

For this exercise you need to use the Quadratic formula:

$x = \frac{-b\±\sqrt{b^2-4ac}}{2a}$

In this case you can identify that the values of "a", "b" and "c" are:

$a=-0.02\\\\b=9.5\\\\c=5.6$

Now you must substitute these values into the Quadratic formula and then evaluate. You get:

$x=\frac{-9.5\±\sqrt{(9.5)^2-4(-0.02)(5.6)}}{2(-0.02)}\\\\x_1=475.588\\x_2=-0.588$

Choose the positive one and round it to the nearest hundreth:

$x_1\approx 475.59$

4 0

3 years ago

NEED HELP ASAP, WORTH 80PTS

sp2606 [1]

This is because the expression can be simplified to get the same result. -1+2log_4((1/4)x)

3 0

2 years ago

Read 2 more answers

PLS HELP ILL GIVE BRAINLIEST!

lesantik [10]

Answer:

Step-by-step explanation:

-the base angles are 34, so the total value of both base angles is 68

-an isosceles triangle is equal to 180

-subtract 68 from 180 for the answer, so the equation is 68+x=180

hope this helps, comment in you have a question :)

8 0

3 years ago

Read 2 more answers

Help? I dont remember what standard form is? is it y=mx+b or that something else? Pls explain how to solve this? Will mark brain

Pavel [41]

Answer:

The standard form of a linear equation is AX + BY = C.

Step-by-step explanation:

The equation y=mx+b is slope-intercept form. When referring to the standard form of a quadratic equation, the expression is ax^2 + bx + c = 0.

6 0

3 years ago

(1.598 × 10¹7) - (4.58 × 10¹5) simplify￼

(1.598 × 10¹7) - (4.58 × 10¹5) simplify