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Yakvenalex [24]
3 years ago
13

Marco wants to buy a new smartphone that costs $495, with some additional accessories. He has already saved $75. Write and solve

an inequality to find the least amount of money, m, that Marco still needs to save before he can buy the smartphone and accessories.
Mathematics
1 answer:
Eddi Din [679]3 years ago
4 0
He needs 420 to buy a new smartphone and accessories.

75-495= 420
420+75= 495
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Jason went to the Hamburger Shack twice last week.
WARRIOR [948]

Answer:

Cost of 1 hamburger = $1.3

Step-by-step explanation:

Assume;

Cost of 1 hamburger = a

Cost of 1 French fries = b

On first trip

3a + 4b = 7.10......eq1

On second trip

2a + b = 3.40....eq2

From eq2 x 4

8a + 4b = 13.6....eq3

From eq3 - eq1

5a = 6.5

a = 1.3

Cost of 1 hamburger = $1.3

7 0
3 years ago
What is directly in between 0.5 and 1.0?
ki77a [65]
.75 because .75 is .25 from 1.0 and .25 from .5
7 0
3 years ago
Read 2 more answers
Question 1
allochka39001 [22]

Answer:

Step-by-step explanation:

Perimeter of quarter circle = r + r + \frac{1}{4}*2*\pi *r

            = 10 + 10 + \frac{1}{4}*2*3.14*10\\\\= 10 + 10 +  3.14*5\\\\\\= 10 + 10 + 15.70\\\\= 35.70 cm

2) d = 2*10 = 20 cm

Perimeter of semicircle = diameter + (1/2) * circumference of circle

                         = 20 +  \frac{1}{2}* 2*\pi *r\\\\= 20 + \frac{1}{2}*2*3.14*10\\\\= 20 + 3.14*10\\\\= 20 + 31.4\\\\= 51.40 cm

3) Perimeter of three-quarter =  r + r + (3/4)* circumference of circle

          = 10 + 10 + \frac{3}{4}*2*\pi *r\\\\= 10 + 10 + \frac{3}{4} * 2 * 3.14 * 10\\\\= 10 + 10 + 3 * 3.14 * 5\\\\= 10 + 10 + 47.1\\\\= 67.1 cm

5 0
3 years ago
Pls help quick! I am not sure if i did this right
bogdanovich [222]

Answer: The last option, <u>28</u> minutes

Step-by-step explanation:

    See attached for my work. <em>If you are color blind let me know, I color-coded where I "pulled" numbers from.</em>

    To answer this problem, we can look at the graph. We need to see for how long the black line is above the blue.

7 0
2 years ago
Read 2 more answers
What is the height of a projectile in 4 seconds if its initial height is 125 ft and it has a velocity of 300 ft per second? 972
andre [41]

Answer:

B. 1069 feet

Step-by-step explanation:

d=v_ot+\dfrac{1}{2}at^2 \\\\d=(300)(4)+\dfrac{1}{2}(-32)(4)^2 \\\\d=1200-256=944

Adding the initial 125 feet to this, you get a total height of 1069 feet. Hope this helps!

4 0
3 years ago
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