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3 years ago

8

How do u do question #15

2 answers:

Tom [10]3 years ago

7 0

It is basically saying that you need to write 3 1/2 as ounces and pounds but in whole numbers. The answer is 3 pounds and 8 ounces.

ch4aika [34]3 years ago

4 0

Tell me what the question is asking and post it.

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How do I convert standard form to point slope

Fittoniya [83]

The point-slope form:

$y-y_1=m(x-x_1)$

$(x_1,\ y_1)$ - given point

$m$ - given slope

The standard form:

$Ax+By=C$

$y-y_1=m(x-x_1)$ <em>use distributive property</em>

$y-y_1=mx-mx_1$ <em>add $y_1$ to both sides</em>

$y=mx-mx_1+y_1$ <em>subtract $mx$ from both sides</em>

$-mx+y=-mx_1+y_1$ <em>change the signs</em>

$mx-y=mx_1-y_1$

8 0

3 years ago

If a football player passes a football from 4 feet off the ground with an initial velocity of 36 feet per second, how long will

tiny-mole [99]

0 = -16t² + 36t + 4
0 = -8t² + 18t + 2 ← Complete the square to solve
-8(t² - 9t/2) = -2
8(t² - 9t/4 + 81/64) = 2 + 81/8
8(t - 9/8)² = 97/8
(t - 9/8)² = 97/64
t - (t = 0)
(h = 0) at:
<span>t = (9 + √97)/8 ≅ 2.356 seconds
</span>

3 0

3 years ago

Read 2 more answers

5. You want to produce a scale drawing of your living room, which is 24 ft by 15 ft. If you use a scale of 4 in. = 6 ft, what wi

KengaRu [80]

Answer: A) 16 in by 10 in

<u>Step-by-step explanation:</u>

Set up the proportion for 24 ft and then for 15 ft:

$\dfrac{4\ in}{6\ ft}=\dfrac{x}{24\ ft}\\\\\\\dfrac{4\ in\cdot 24\ ft}{6\ ft}=x\\\\\\4\ in\cdot 4=x\\\\\\16\ in=x$

$\dfrac{4\ in}{6\ ft}=\dfrac{y}{15\ ft}\\\\\\\dfrac{4\ in\cdot 15\ ft}{6\ ft}=y\\\\\\2\ in\cdot 5=y\\\\\\10\ in=y$

4 0

3 years ago

Consider a Triangle ABC like the one below. Suppose that C = 98, A = 74, and b = 11 (figure is not drawn to scale.) solve the tr

Degger [83]

Answer:

$A=73.8\°$

$B=8.2\°$

$c=76.3\ units$

Step-by-step explanation:

step 1

Find the measure of side c

Applying the law of cosines

$c^{2}= a^{2}+b^{2}-2(a)(b)cos(C)$

substitute the given values

$c^{2}= 74^{2}+11^{2}-2(74)(11)cos(98\°)$

$c^{2}=5,823.5738$

$c=76.3\ units$

step 2

Find the measure of angle A

Applying the law of sine

$\frac{a}{sin(A)}=\frac{c}{sin(C)}$

substitute the given values

$\frac{74}{sin(A)}=\frac{76.3}{sin(98\°)}$

$sin(A)=(74)sin(98\°)/76.3$

$A=arcsin((74)sin(98\°)/76.3)$

$A=73.8\°$

step 3

Find the measure of angle B

we know that

The sum of the internal angles of a triangle must be equal to 180 degrees

so

$A+B+C=180\°$

substitute the given values

$73.8\°+B+98\°=180\°$

$171.8\°+B=180\°$

$B=180\°-171.8\°=8.2\°$

5 0

3 years ago

Janice is standing 15m form the base of a building. From the point where she is standing, the angle of elevation of the top of t

Alenkasestr [34]

Answer:

the building is 28m

Step-by-step explanation:

3 0

3 years ago