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Len [333]
3 years ago
8

Please help! it’s due really soon :/

Mathematics
2 answers:
Lostsunrise [7]3 years ago
5 0
43
78
350

Explanation- multiply
ladessa [460]3 years ago
3 0

Answer:

4. 43

5. 78

6. 364

Step-by-step explanation:

15 (1)

22 (2)

29 (3)

36 (4)

43 (5)

50 (6)

57 (7)

64 (8)

71 (9)

78 (10)

85 (11)

92 (12)

99 (13)

106 (14)

113 (15)

120 (16)

127 (17)

134 (18)

141 (19)

148 (20)

155 (21)

162 (22)

169 (23)

176 (24)

183 (25)

190 (26)

197 (27)

204 (28)

211 (29)

218 (30)

225 (31)

232 (32)

239 (33)

246 (34)

253 (35)

260 (36)

267 (37)

2784 (38)

281 (39)

288 (40)

295 (41)

302 (42)

309 (43)

316 (44)

323 (45)

330 (46)

337 (47)

350 (48)

344 (49)

351 (50)

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F(x)=2x^2-3x+7 evaluate f(-2)
Vilka [71]

Answer:

Step-by-step explanation:

Find two linear functions p(x) and q(x) such that (p (f(q(x)))) (x) = x^2 for any x is a member of R?

Let  p(x)=kpx+dp  and  q(x)=kqx+dq  than

f(q(x))=−2(kqx+dq)2+3(kqx+dq)−7=−2(kqx)2−4kqx−2d2q+3kqx+3dq−7=−2(kqx)2−kqx−2d2q+3dq−7  

p(f(q(x))=−2kp(kqx)2−kpkqx−2kpd2p+3kpdq−7  

(p(f(q(x)))(x)=−2kpk2qx3−kpkqx2−x(2kpd2p−3kpdq+7)  

So you want:

−2kpk2q=0  

and

kpkq=−1  

and

2kpd2p−3kpdq+7=0  

Now I amfraid this doesn’t work as  −2kpk2q=0  that either  kp  or  kq  is zero but than their product can’t be anything but  0  not  −1 .

Answer: there are no such linear functions.

6 0
2 years ago
How do I solve for the missing numbers
Veronika [31]

Answer:

going from left to right: 200, 400, 800

Step-by-step explanation:

25 x 2 = 50

50 x 2 = 100

100 x 2 = 200

200 x 2 = 400

400 x 2 = 800

just follow the pattern

4 0
2 years ago
Read 2 more answers
What heat transfer is Christmas lights radiation or convention or conduction
Firdavs [7]

Answer:

The heat from the sun or heat released from the filament of a light bulb is the example of radiation.

7 0
2 years ago
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If a snowball melts so that its surface area decreases at a rate of 3 cm2/min, find the rate (in cm/min) at which the diameter d
grin007 [14]

Answer:

The diameter decreases at a rate of 0.053 cm/min.

Step-by-step explanation:

Surface area of an snowball

The surface area of an snowball has the following equation:

S_{a} = \pi d^2

In which d is the diameter.

Implicit differentiation:

To solve this question, we differentiate the equation for the surface area implictly, in function of t. So

\frac{dS_{a}}{dt} = 2d\pi\frac{dd}{dt}

Surface area decreases at a rate of 3 cm2/min

This means that \frac{dS_{a}}{dt} = -3

Tind the rate (in cm/min) at which the diameter decreases when the diameter is 9 cm.

This is \frac{dd}{dt} when d = 9. So

\frac{dS_{a}}{dt} = 2d\pi\frac{dd}{dt}

-3 = 2*9\pi\frac{dd}{dt}

\frac{dd}{dt} = -\frac{3}{18\pi}

\frac{dd}{dt} = -0.053

The diameter decreases at a rate of 0.053 cm/min.

7 0
2 years ago
If 2/3 of a number is 10, then what is 0.15 times of that number?
maksim [4K]

Answer:

  • d) 2.25

Step-by-step explanation:

Let the number is x.

<u>2/3 of a number is 10:</u>

  • 2/3x = 10
  • x = 3*10/2 = 15

<u>0.15 times of the number is:</u>

  • 15*0.15 = 2.25

Correct choice is d

7 0
2 years ago
Read 2 more answers
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