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sasho [114]
4 years ago
9

What’s the answer???

Mathematics
1 answer:
LuckyWell [14K]4 years ago
8 0

Answer:

D

Step-by-step explanation:

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Need some help asap, giving brainliest
lorasvet [3.4K]

Answer:

16.19

Step-by-step explanation:

Use the cosine rule:

\sqrt{a^{2} +b^{2} -2abcosy} \\\\\sqrt{16^{2} +20^{2} -(2)(16)(20)cos(52)} \\\\\\= 16.19cm

6 0
2 years ago
PLS HELP ME 50 POINTS AND I WILL MARK THE BRAINLIEST
dusya [7]

Answer:

1. 392 in², 2. 94.99 cm², 3. 145.2 ft², 4. 161.5 m², 5. 17 ft and 81 cm

Step-by-step explanation:

1. A = 16 x 19

A = 304

A = 1/2(11x16)
A = 1/2(176)
A = 88
304 + 88 = 392 in²

2. A = πr²
A = 3.14*5.5²
A = 3.14*30.25
A = 94.985
A = 94.99 cm²

3. A = 1/2(bh)
A = 1/2(11x26.4)
A = 1/2(290.4)
A = 145.2 ft²

4. A = bh
A = 9.5*17
A = 161.5 m²

5. part 1
A = (1/2) · (p + q) · h

112 = (1/2)(11+q)(8)
112 = 4(11+q)
112 = 44 + 4q
68 = 4q
17 = q

17 ft

5. part 2
A = lw
364.5 = 27w
13.5 = w
P = 2l + 2w
P = 2(27) + 2(13.5)
P = 54 + 27
P = 81
81 cm


Hope this helps :)


5 0
2 years ago
The area of a triangle is 63 square inches. The base is 18 inches long. What is the height of the triangle?
Crazy boy [7]
height=2*area/base=7in.
5 0
4 years ago
Last week’s shipment of plates contained 2 broken plates out of 150. How many could be expected to be broken in next week’s ship
IgorLugansk [536]
3 probably. If 2 plates break out of 150 then you know that dividing 150 with 2 you get 75 and that means that 75 = 1 broken plates and which means that the next weak will be 1 broken plate. 150+75=225.
8 0
3 years ago
Which equation matches the graph y=-1x+3 , y=1x, y1x+3, y=-1x can you guys tell me which equation matches the graph with explana
Y_Kistochka [10]

Answer:

y = 1.x + 3

Step-by-step explanation:

Let the equation of the line is,

y = mx + b

Here, m = slope of the line

b = y-intercept

Slope of a line passing through two points (x_1,y_1) and (x_2,y_2) is given by,

m = \frac{y_2-y_1}{x_2-x_1}

Since, y-intercept and x-intercepts are equal,

Let the given line passes through (0, 3) and (-3, 0),

Slope of the line (m) = \frac{3-0}{0+3} = 1

y-intercept of the line 'b' = 3

Equation of the line will be,

y = 1.x + 3

8 0
3 years ago
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