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3 years ago

Can someone please solve this for me?

Mathematics

1 answer:

Lorico [155]3 years ago

3 0

Answer:

Step-by-step explanation:

Solution of the system of equations is the points of intersections.

So, solutions are

(-1,0), (0,-1)

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The formula for the surface area of a sphere is A=4pi r*2, where r is the length of the radius. Find the surface area of the sph

g100num [7]

Answer:

Step-by-step explanation:

area=4×22/7×14²=4×22×28=2464 units²

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3 years ago

- Mona Allen wants to buy a bed that costs $695. The city sales tax rate is 7%. In a nearby city the sales tax rate is 4%. How m

pentagon [3]

Answer:

$20.85 less.

Step-by-step explanation:

City sales:

7% tax = 48.65

total bed cost = $743.65

Nearby City:

4% tax = 27.8

total bed cost = $722.8

city sale - nearby city

743.65 - 722.8

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2 years ago

What is this math question answer 48=a+20

jeyben [28]

Answer:

a=28

Step-by-step explanation:

a+20=48

a=48-20

a=28

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3 years ago

Xavier is four years younger than twice Zed.

Alex_Xolod [135]

Answer:

Step-by-step explanation:

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3 years ago

Does 2 1/3-1 3/4 need require renaming

ANEK [815]

Answer:

$\frac{7}{12}$

Step-by-step explanation:

$2 \frac{1}{3} - 1 \frac{3}{4}$

The fractions above are known as mixed numbers (that is, fractions that contain the combination of a whole number and proper fraction). The mixed numbers can equally be renamed as improper fractions. However, renaming can only occur the the mixed numbers are being transformed as below:

$\frac{7}{3} - \frac{7}{4}$

The transformation occur through a simple approach thus: for the first mixed number; 2 1/3 = 2 multiplied by 3 plus 1 divide by 3 equals 7/3. Similarly, mixed number 1 3/4 is transformed by this: 1 multiplied by 4 plus 3 divide by 4 equals 7/4.

Simplifying further to arrive at final result implies,

$\frac{7}{3} - \frac{7}{4}$

Take the LCM of the denominators (4 × 3 =12) and simplify thus:

$= \frac{28 - 21}{12}$

$= \frac{7}{12}$

6 0

3 years ago