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DochEvi [55]
4 years ago
9

Someone help me with this question please I’ll mark u as brilliant :))

Mathematics
1 answer:
SCORPION-xisa [38]4 years ago
3 0

Answer:

3\sqrt{141}

Step-by-step explanation:

Use the Pythagorean Theorem.

37^{2}=x^{2}+10^{2}

1369=x^{2}+100

-100       -100

1269=x^{2}

\sqrt{1269}=\sqrt{x^{2} }

3\sqrt{141}=x

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In ∆ABC the angle bisectors drawn from vertices A and B intersect at point D. Find ∠ADB if: m∠С = γ
Rainbow [258]

Answer:

  90° + (γ/2)

Step-by-step explanation:

The angles in ΔADB have a sum of 180°, so ...

  (A/2) +(B/2) + ∠ADB = 180°

and so do the angles of ΔABC:

  A + B + γ = 180°

Dividing this second equation by 2 gives an expression for (A/2) +(B/2) that we can substitute into the first equation:

  A/2 +B/2 +γ/2 = 90°

  A/2 +B/2 = 90° -γ/2

Putting this in the first equation, we have ...

  (90° -γ/2) + ∠ADB = 180°

  ∠ADB = 90° +γ/2 . . . . . . . . . .  add (γ/2 -90°)

3 0
4 years ago
What is the area of one trapezoidal face of the figure?
Arturiano [62]
The area of a trapezoid, A, is the average of the lengths of the bases (B and b) multiplied by the height, h.

A = \dfrac{(B + b)h}{2}

A = \dfrac{(3~in. + 1~in.) \times 1~in.}{2}

A = \dfrac{4~in. \times 1~in.}{2}

A = \dfrac{4~in.^2}{2}

A = 2~in.^2
3 0
4 years ago
Choose the equation of the graph shown below:
STatiana [176]
The correct answer is y= |x + 1| - 3
4 0
4 years ago
Read 2 more answers
Bill began his diet when he weighed 268 pounds. After 4 weeks he weighed 250 pounds. Write an equation in slope-intercept form o
Alika [10]

An equation in slope-intercept form of the line

p=-\frac{9}{2}w+268\\

Given :

Bill began his diet when he weighed 268 pounds.

After 4 weeks he weighed 250 pounds

Lets 'w' represents weeks and 'p' represents pounds

Using the given information ,we find two points (w,p)

Bill began his diet when he weighed 268 pounds.

when w=0 , weight in pounds =268

(0,268)

After 4 weeks he weighed 250 pounds, so point is (4,250)

Use two points to write the equation of line

Slope intercept form is y=mx+b

where m is the slope and b is the y intercept

slope formula using 2 points (0,268) and (4,250)

m=\frac{y_2-y_1}{x_2-x_1} =\frac{250-268}{4-0} =-\frac{9}{2}

now use slope m and any one point (0,268) to write equation

y=mx+b\\y=-\frac{9}{2}x+b\\(0,268) where x=0  and y=268\\268=-\frac{9}{2}(0)+b\\\\b=268

we know that w represents weeks and p represents pounds

The equation of the line in slope intercept form is

p=-\frac{9}{2}w+268\\

Learn more :  brainly.com/question/986503

7 0
3 years ago
What is this shape, and what’s the name in two different ways? 20 points!!
Schach [20]

Answer:

Triangular Prism.

Two other ways are parallelopiped and quadrangular prism

Step-by-step explanation:

Here are more ways you can name it:

parallelopiped, triangular prism, parallelepiped,quadrangular prism, parallelopipedon, polyhedron, parallelepipedon.

Hope it helps!

3 0
3 years ago
Read 2 more answers
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