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Thepotemich [5.8K]
3 years ago
15

Please I need help am being timed can someone please help

Mathematics
1 answer:
nadya68 [22]3 years ago
3 0

Answer:

f(x)=13

Step-by-step explanation:

f(10)=10/2+8

f(10)=5+8

f(10)=13

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WARRIOR [948]
The answer is 29 5/24
7 0
4 years ago
The perimeter of a rectangle sandpit is 40 meters. The length of the sandpit is 1 meter less than twice it’s width. What are the
LUCKY_DIMON [66]

Answer:

The width is 7 meters and the length is 13 meters

Step-by-step explanation:

The perimeter of a  rectangle sandpit is 40 meters.

Let the width be w units, then the length which is 1 meter less than twice it’s width becomes: l=2w-1

The perimeter of a rectangle is given by:

P=2(w+l)

We substitute P=40 and the length in term of w to get:

40=2(w+2w-1)

We simplify to get:

40=2(3w-1)

Divide through by 2 to get:

20=3w-1\\\implies 21=3w\\\implies w=\frac{21}{3}=7

Hence l=2(7)-1=14-1=13

6 0
3 years ago
Prove that angle ADC is congruent to angle CBA <br><br> with solution!
Ipatiy [6.2K]

Answer:

Step-by-step explanation:

Opposite angles are non-adjacent angles formed by two intersecting lines. Opposite angles are congruent (equal in measure).

8 0
3 years ago
if BA is extended all the way through A creating BF and A becomes the midpoint of BF, then what are the coordinates of F
gogolik [260]

Answer:

F(2x_A-x_B,2y_A-y_B)

Step-by-step explanation:

Let points A, B and F have coordinates A(x_A,y_A),  B(x_B,y_B) and F(x_F,y_F).

If BA is extended all the way through A creating BF and A becomes the midpoint of BF, then the midpoint A of the segment BF has coordinates:

\dfrac{x_B+x_F}{2}=x_A\\ \\\dfrac{y_B+y_F}{2}=y_A

Express coordinates of point F:

x_B+x_F=2x_A\Rightarrow x_F=2x_A-x_B\\ \\y_B+y_F=2y_A\Rightarrow y_F=2y_A-y_B

Hence,

F(2x_A-x_B,2y_A-y_B)

3 0
3 years ago
Solve the problem below where X=4 3X+7=
Ksivusya [100]

X = 4×3 X + 7

Resultado

X = 12 X + 7

Forma alternativa

-11 X - 7 = 0

X = -7/11

6 0
3 years ago
Read 2 more answers
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