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2 years ago

Please help show work please

Mathematics

2 answers:

Lubov Fominskaja [6]2 years ago

7 0

Answer:

Step-by-step explanation

it hard to explain

Tom [10]2 years ago

7 0

Answer:

A, because its a ongoing relation that has a constaant of 5

Step-by-step explanation:

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Kenneth solved a certain number of problems and Harold solved 2 more than twice as many. Together they

Inessa [10]

H(arold) = 2 + 2*K(enneth)

H = 2 + 2K

H + K = 38

Substitution:

2 + 2K + K = 38

3K = 36

K = 12

Kenneth solved 12 problems and Harold solved (2(12) + 2 = 24 + 2 =) 26 problems

6 0

2 years ago

Daniel had a 22-foot-long rope that he cut into eight equal pieces. Which equation can be used to determine the length, r, of ea

ivann1987 [24]

Answer:

Option C.

Step-by-step explanation:

Let

r-----> the length of each piece

we know that

To find the length of each piece, divide the total length of the rope (22 ft) by the number of pieces (8 pieces)

$8r=22$ -----> equation that represent the situation

$r=\frac{22}{8}\ feet$ -----> the length of each piece

8 0

2 years ago

What fraction of the area of the circle is shaded?<br><br><br><br>(So easy)

fenix001 [56]

1/2 of the area is shaded

3 0

3 years ago

Read 2 more answers

If h(x) = (fºg)(x) and h(x) = 3(x+2)^2 find one possibility for f (x) and g(x).

JulsSmile [24]

Answer:

$f(x) = 3x^2$

$g(x) = x + 2$

Step-by-step explanation:

Given

$h(x) = 3(x+2)^2$

$h(x) = (fog)(x)$

Required

Find f(x) and g(x)

$h(x) = (fog)(x)$

Rewrite h(x)

$h(x) = f(g(x))$

If $h(x) = 3(x+2)^2$

then

$f(g(x)) = 3(x+2)^2$

This implies that; the expression in the brackets are equal;

In other words; function g(x) on the left hand side is equal to expression x + 2 on the right hand side

So;

$g(x) = x + 2$

To find f(x), substitute g(x) with x

$f(x) = 3(x)^2$

$f(x) = 3x^2$

Final solutions are

$f(x) = 3x^2$

$g(x) = x + 2$

4 0

3 years ago

In △QRS, QR ‖ TU. Given that TQ=6, ST=10, and UR=15, find SU.

tresset_1 [31]

Answer:

SU=25

Step-by-step explanation:

We can set up a ratio as STU and SQR are similar because of the SAS similarity theorem.

TQ:SQ

SQ=ST+TQ=10+6=16

6:16=3:8

Therefore the ratio of STU:SQR is 3:8

We can use this to find SU

UR:SR=3:8

15:SR=3:8

Cross multiply

3SR=120

SR=40

SU=SR-UR

SU=40-15

SU=25

8 0

2 years ago