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3 years ago

7

Anyone know please answer

2 answers:

frozen [14]3 years ago

6 0

The answer is (-12)
Hope it helps

babymother [125]3 years ago

4 0

Answer:

$f( - 9) = - 3 |( - 9) + 5| = - 3 | - 4| \\ = - 3 \times 4 = - 12$

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Advocard [28]

Answer:

x=0

Step-by-step explanation:

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3 years ago

5 less than the product of -2 and a number is no more than 15.

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Answer:

-2x - 5 (lesser than or equal to) 15

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find the volume of a trianglular prism that has a triangular base of 14 and and a height of 17 with a prism height of 5 leave yo

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4 years ago

Find a26 in the arithmetic sequence: -15, -35, -55, -75

MrRissso [65]

Answer: x=−5

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

−4−7x=31

−4+−7x=31

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−7x−4+4=31+4

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Step 3: Divide both sides by -7.

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4 0

4 years ago

PLEASE PLEASE PLEASE HELP ME

lubasha [3.4K]

Answer:

CE = 17

Step-by-step explanation:

∵ m∠D = 90

∵ DK ⊥ CE

∴ m∠KDE = m∠KCD⇒Complement angles to angle CDK

In the two Δ KDE and KCD:

∵ m∠KDE = m∠KCD

∵ m∠DKE = m∠CKD

∵ DK is a common side

∴ Δ KDE is similar to ΔKCD

∴ $\frac{KD}{KC}=\frac{DE}{CD}=\frac{KE}{KD}$

∵ DE : CD = 5 : 3

∴ $\frac{KD}{KC}=\frac{5}{3}$

∴ KD = 5/3 KC

∵ KE = KC + 8

∵ $\frac{KE}{KD}=\frac{5}{3}$

∴ $\frac{KC+8}{\frac{5}{3}KC }=\frac{5}{3}$

∴ $KC + 8 = \frac{25}{9}KC$

∴ $\frac{25}{9}KC - KC=8$

∴ $\frac{16}{9}KC=8$

∴ KC = (8 × 9) ÷ 16 = 4.5

∴ KE = 8 + 4.5 = 12.5

∴ CE = 12.5 + 4.5 = 17

7 0

3 years ago