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3 years ago

Jimmy runs 2 miles monday 1.2 miles tuesday and 4.75 miles on friday.what is the total number of miles jimmy ran for three days?

Mathematics

1 answer:

ad-work [718]3 years ago

6 0

Sent a picture of the solution to the problem (s).

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A recursive rule for a geometric sequence is a1=3;an=12an−1 . What is the explicit rule for this sequence?

ehidna [41]

From the recursive rule, you can tell the initial value is 3 and the common ratio is 12. The explicit rule is always
.. (n-th term) = (initial value)*(common ratio)^(n -1)

Subsituting the values you know, you have
.. an = 3*12^(n-1)

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3 years ago

Brent is saving for a computer that is $840. He will also need to pay a 6% sales tax. What is the total cost of the computer aft

Kobotan [32]

Answer:

$890.4

Step-by-step explanation:

840 + .06(840)

840 + 50.4

890.4

5 0

3 years ago

Read 2 more answers

State what additional information is required in order to know that the triangles are congruent for the reason given. If possibl

Inessa05 [86]

Answer:

TX ≅ WX

Step-by-step explanation:

Required condition for SAS is two sides and the included angle must be congruent.

We have:

RX ≅ YX

We observe:

∠RXT ≅ ∠YXW

We need:

TX ≅ WX

This will complete the information required for SAS congruence statement.

5 0

2 years ago

sweet-ann [11.9K]

Answer:

3. 3 : 5; 3: 5

Step-by-step explanation:

First, let's find the leght of the sides of each octagon.

$A= 18in^{2}$

The area of an octagon is defined by

$A=2(1+\sqrt{2})l^{2}$

Replacing the area

$18=2(1+\sqrt{2})l^{2}\\\frac{18}{2(1+\sqrt{2})} =l^{2}\\l=\sqrt{\frac{18}{3.4} } \approx 2.3 \ in$

Therefore, the side of the first octagon is 1.6 inches long.

Its perimeter is: $P=8(2.3in)=18.4in$

$A=50 in^{2}$

$50=2(1+\sqrt{2})l^{2}\\\frac{50}{2(1+\sqrt{2})} =l^{2}\\l=\sqrt{\frac{50}{3.4} } \approx 3.8 \ in$

Therefore, the side of the second octagon is 3.8 inches long.

Its perimeter is $P=8(3.8in)=30.4in$ .

Now, let's divide to find each ratio:

$\frac{3.8}{2.3} \approx 1.65$ (the ratio between sides).

$\frac{30.4}{18.4} \approx 1.65$ (the ratio between perimeters).

Therefore, the closest ratio is 3. 3 : 5; 3: 5

8 0

3 years ago

Read 2 more answers

10 POINTS PLEASE HELP ASAP What set of transformations is performed on ABCD to form A′B′C′D′?

Andre45 [30]

It's A I'm pretty sure

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3 years ago