3 years ago

Question 4 of 15

Mathematics

1 answer:

melisa1 [442]3 years ago

5 0

“C” Os the correct answer

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Solve for me please....... 4x-z=y for x

Vlada [557]

4x-z=y

4x=y+z

x=(y+z)/4

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3 years ago

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Juan was given a gift card for a coffee shop. Each morning, Juan uses the card to buy one cup of coffee. Each cup of coffee cost

Black_prince [1.1K]

Answer:

$A=30-2x$

Step-by-step explanation:

Cost of one cup of coffee=$2

The original amount of money on the gift card= $30

Juan's expenses in buying coffee, after $x$ morning are $\$2\times x$ .

The amount of money left, $A$ , on the card $=$ (Original amount) $-$ (Total expenses)

$A=30-2x$

Hence, the equation for, $A$ , the amount of money remaining on the card is

$A=30-2x.$

7 0

3 years ago

QUADRATIC FORMULA SIMPLIFIED PLZ HELP

olga2289 [7]

Answer:

3x² + 5x + 1 = 0 simplified

x = (-5 ± $\sqrt{13}$ )/6 roots

Step-by-step explanation:

Given quadratic formula

3x² + 5x - 5 = - 6

Standard form

ax² + bx + c = 0

Simplifying

3x² + 5x - 5 + 6 = 0
3x² + 5x + 1 = 0

Solving

x = (-5 ± $\sqrt{5^2 -4*3*1}$ )/(2*3)
x = (-5 ± $\sqrt{13}$ )/6

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3 years ago

Midtown antiques has found that sales has decreased 6% from last year. Sales this year are $144,974 find the amount of last year

riadik2000 [5.3K]

8698 is the answer to this question

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3 years ago

at a conference of 250 people, 30% of the participants are french, 35% are americans, 20% are germans, and the rest are of the o

Lady bird [3.3K]

Ok...we got 250 people
30% are French, 35% are Americans, 20% are Germans....thats 85%.
This means 15% are from other countries

3 not from other countries...
0.85 * 0.85 * 0.85 = 0.6

0.6(250) = 150 students <===

5 0

3 years ago