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3 years ago

Maria jogged 3 miles in 3/5 hour. Kari jogged 2 1/2 miles in 1/2 hour. Tell whether each statement is True or False.

Mathematics

2 answers:

Margaret [11]3 years ago

3 0

Answer:

I believe this is correct

A is FALSE

B is TRUE

C is FALSE

kow [346]3 years ago

3 0

Answer:

2.4 miles

Step-by-step explanation:

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Answer:The last one :)

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Which is the graph of y = 5log(x+3)

Maurinko [17]

Answer:

We are given a equation as:

5log(x+3)=5

We are asked to find a graph that is used to solve the above equation.

We can write the given equation as:

we will divide both side of the equation by 5 to obtain:

log(x+3)=1

Now we have to determine which graph represents the function:

y=log(x+3)

since we know that when x=-2.

y=log(-2+3)=log(1)=0

Hence, the graph should pass through (-2,0).

Hence, the graph that satisfies this is attached to the answer.

Step-by-step explanation:

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3 years ago

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Alexander is a high school basketball player. In a particular game, he made some two point shots and some three point shots. Ale

andrezito [222]

Answer:

2 three points shots and 4 two points shots

Step-by-step explanation:

Let x be the number of three points shots.

Alexander made twice as many two points shots as three points shots, so the number of two points shots is 2x.

Amount earned in three points shots $=3\cdot x$

Amount earned in two points shots $=2\cdot (2x)=4x$

Total score $=3x+4x=7x$

Alexander scores a total of 14 points, then

$7x=14\\ \\x=2\\ \\2x=2\cdot 2=4$

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3 years ago

Factor the polynomial by its greatest common monomial factor

givi [52]

Answer:

$\large\boxed{9b^8+24b^3=(3b^3)(3b^5+8)}$

Step-by-step explanation:

$9b^8=3\cdot3\cdot b^{3+5}=\bold{3}\cdot3\cdot\bold{b^3}\cdot b^5=\bold{(3b^3)}(3b^5)\\\\24b^3=\bold3\cdot8\cdot\bold{b^3}=\bold{(3b^3)}(8)\\\\9b^8+24b^3=\bold{(3b^3)}(3b^5)+\bold{(3b^3)}(8)=\bold{(3b^3)}(3b^5+8)\\\\\text{Used}\\\\a^n\cdot a^m=a^{n+m}\\\\\text{distributive property:}\ a(b+c)=ab+ac$

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3 years ago

In triangle PQR, Line QS and line SR are angle bisectors to angle P (74 degrees). How many Degrees are in the angle QSR.

AlexFokin [52]

we know that

in the triangle PQR

m∠PQR+m∠QPR+m∠QRP=180°------> the sum of the internal angles of a triangle is equal to 180 degrees

(m∠PQR+m∠QRP)+74°=180°-------> (m∠PQR+m∠QRP)=106°

we know that

If QS and SR are angle bisectors

then

In the triangle QSR

m∠SQR+m∠QSR+m∠QRS=180°-------> equation 1

and

(m∠SQR+m∠QRS)=106°/2--------> (m∠SQR+m∠QRS)=53°

substitute the value of (m∠SQR+m∠QRS)=53° in the equation 1

53°+m∠QSR=180°

m∠QSR=180°-53°-------->m∠QSR= 27°

therefore

the answer is

The measure of angle QSR is 27 degrees

4 0

3 years ago