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3 years ago

2x-y=-4 what is the zero of x-intercept graphically

Mathematics

1 answer:

scZoUnD [109]3 years ago

3 0

Answer:

x=-2

Step-by-step explanation:

The roots (zeros) are the values of

x where the graph crosses the x-axis. To find the roots (zeros), replace y with 0 and solve for x

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3 years ago

The points (-1, r) and (5, -5) lie on a line with slope - 3. Find the missing coordinate r.

stealth61 [152]

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2 years ago

Solve for x. −7≥13−5x Enter your answer as an inequality

Rus_ich [418]

Answer:

x (is greater than or equal to) 4

Step-by-step explanation:

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2 years ago

Toby can but T-shirts in packs of 5 for 13.00 or in packs of 2 for 7.22. How much money does he save by buying 30 T-shirts at th

Helen [10]

Toby saves 30.30 money by buying 30 T-shirts at better price.

Step-by-step explanation:

Cost of pack of 5 T-shirts = 13.00 money.

Cost of pack of 2 T-shirts = 7.22 money.

Toby wants to buy total T-shirts = 30 T-shirts.

<u>Case 1 </u>:

For 30 T-shirts, If Toby buys in packs of 5 T-shirts then the number of packs he should buy = 30/5 = 6 packs.

The cost for six packs of 5 T-shirts = 6*13.00 = 78.00 money.

<u>Case 2 </u>:

For 30 T-shirts, If Toby buys in packs of 2 T-shirts then the number of packs he should buy = 30/2 = 15 packs.

The cost for 15 packs of 2 T-shirts = 15*7.22 = 108.30 money.

The money saved = 108.30 -78.00 = 30.30 money.

Therefore, The better price to buy 30 T-shirts is 78.00 money.

3 0

3 years ago

if a coin is tossed 4 times, the odds of it coming up either heads every time or tails every time are 1:7.What is the probabilit

ivanzaharov [21]

Answer:

$1$

Explanation:

From the question, we have it that the probability of heads coming up every time or tail coming up every time is 1:7 if the coin is tossed in 4 tosses

What this means is that we have a probability of 1/8 of head showing up and a probability of 7/8 that a tail will show up in each toss of the coin

For four throws, it means all four are heads or all four are tails

If all four are heads, we have the probability of this happening as:

$\text{ (}\frac{1}{8})^{}$

if all four are tails, we have the probability as:

$\frac{7}{8}$

Now, the probability of either heads or all tails after 4 tosses will be:

$\text{ }\frac{1}{8}\text{ + }\frac{7}{8}\text{ = 1}$

8 0

1 year ago

2x-y=-4 what is the zero of x-intercept graphically ​

2x-y=-4 what is the zero of x-intercept graphically