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3 years ago

True or false? Based only on the given information, it is guaranteed that AB CD.

Mathematics

2 answers:

Vladimir [108]3 years ago

6 0

Answer:

Option B is correct that is false.

Step-by-step explanation:

We have been given a figure we need to tell that the two lines are perpendicular

Lines are perpendicular if they meet at right angle.

Line ${\overline{CD}}$ is perpendicular to ${\overline{AB}}$ vice-versa is not true.

Hence, Option B is correct

coldgirl [10]3 years ago

4 0

Answer:

False <3

Step-by-step explanation:

APEX - just took it :)

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Help can u answer this

umka21 [38]

Answer:

$c) 82$

$d) - 11$

$g)27$

$h)1000$

$k)11$

$l) 8$

Step-by-step explanation:

${9}^{2} + 1 \\ = (9 \times 9) + 1 \\ = 81 + 1 \\ = 82$

${6}^{2} - {5}^{2} \\ = (6 \times 6) - (5 \times 5) \\ = 36 - 25 \\ = - 11$

$(1 + 2 {)}^{3} \\ = {3}^{3} \\ = 3 \times 3 \times 3\\ = 27$

$(2 + 8 {)}^{3} \\ = {10}^{3} \\ = (10 \times 10 \times 10) \\ = 1000$

$\sqrt{4} + {3}^{2} \\ = 2 + {3}^{2} \\ = 2 + (3 \times 3) \\ = 2 + 9 \\ = 11$

$2 \times 5 - \sqrt{4} \\ = 10 - \sqrt{4} \\ = 10 - 2 \\ = 8$

<h3>Hope it is helpful....</h3>

3 0

3 years ago

A rectangular box has a square base with an edge length of x cm and a height of h cm. The volume of the box is given by V = x^2h

tiny-mole [99]

Option 4 is correct i.e. <span>The volume of the box is increasing at a rate of 192 cm^3/min.

</span>Given : Volume of the rectangular box = x²h
where x is edge and h is height.
The edge and the height are varying with time, therefore, we write,x = x(t)
h = h(t)
dh/dt = -3 and we shall calculate when x = 4, dx/dt = 2 and when h=15
V = x²h dV/dt = (2x × dx/dt × h) + (x² × dh/dt) dV/dt = 2×4×2×15 + (4)^2 ×(-3) dV/dt = 240 - 48
dV/dt = 192
Because dV/dt is positive, hence the volume is increasing

3 0

3 years ago

April invests in an annually compounded account with an interest rate of 4.1%. After 6 years, she plans to have $8600 in her acc

SOVA2 [1]

Answer:

Step-by-step explanation:

i think so

3 0

3 years ago

Ill mark the brainliest if you help me with the these three questions 7,8,9

Nitella [24]

Answer:

7) π 8) 6.25π 9) 16π

8 0

3 years ago

16) 472 students are going on a field trip. 120

Stels [109]

Answer:

C 44 cabins

Step-by-step explanation:

472-120= 352

8÷ 352 = 44

8 0

3 years ago