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Vanyuwa [196]
4 years ago
6

The scale on a map is 1 cm = 50 miles.

Mathematics
1 answer:
kvv77 [185]4 years ago
5 0

Answer:

240 miles.

Step-by-step explanation:

That is the answer because 4.8 x 5- is 240.

Hope this helps! Have a GREAT day (:

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ΔPQR has angle measurements of 80°, 50°, and 50°. What kind of triangle is ΔPQR?
sdas [7]

Answer:

isosceles

Step-by-step explanation:

as isosceles has two sides equal meaning two angles equal

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3 years ago
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A=h(a+b)/2 Solve for b.
Trava [24]
Is the b=4






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Plz help me quickly I’ll give brainlist
Svetlanka [38]

Answer:

5\frac{5}{6}

Step-by-step explanation:

3 1/2 x 1 2/3 = 35/6

6 x 5 + 5 = 35/6

4 0
3 years ago
A grocery store sells a bag of 7 oranges for $2.80. What is the unit cost?
Elanso [62]

Answer:

The quadratic equations and their solutions are;

9 ± √33 /4 = 2x² - 9x + 6.

4 ± √6 /2 = 2x² - 8x + 5.

9 ± √89 /4 = 2x² - 9x - 1.

4 ± √22 /2 = 2x² - 8x - 3.

Explanation:

Any quadratic equation of the form, ax² + bx + c = 0 can be solved using the formula x = -b ± √b² - 4ac / 2a. Here a, b, and c are the coefficients of the x², x, and the numeric term respectively.

We have to solve all of the five equations to be able to match the equations with their solutions.

2x² - 8x + 5, here a = 2, b = -8, c = 5.                                                  x = -b ± √b² - 4ac / 2a = -(-8) ± √(-8)² - 4(2)(5) / 2(2) = 8 ± √64 - 40/4.     24 can also be written as 4 × 6 and √4 = 2. So                                                                                     x = 8 ± 2√6 / 2×2= 4±√6/2.

2x² - 10x + 3, here a = 2, b = -10, c = 3.                                                   x =-b ± √b² - 4ac / 2a =-(-10) ± √(-10)² - 4(2)(3) / 2(4) = 10 ± √100 + 24/4. 124 can also be written as 4 × 31 and √4 = 2. So                                                                              x = 10 ± 2√31 / 2×2 = 5 ± √31 /2.

2x² - 8x - 3, here a = 2, b = -8, c = -3.                                                    x = -b ± √b² - 4ac / 2a = -(-8) ± √(-8)² - 4(2)(-3) / 2(2) = 8 ± √64 + 24/4.     88 can also be written as 4 × 22 and √4 = 2. So                                                                             x = 8 ± 2√22 / 2×2 = 4± √22/2.

2x² - 9x - 1, here a = 2, b = -9, c = -1.                                                     x = -b ± √b² - 4ac / 2a = -(-9) ± √(-9)² - 4(2)(-1) / 2(2) = 9 ± √81 + 8/4.                                          x = 9 ± √89 / 4.

2x² - 9x + 6, here a = 2, b = -9, c = 6.                                                    x = -b ± √b² - 4ac / 2a = -(-9) ± √(-9)² - 4(2)(6) / 2(2) = 9 ± √81 - 48/4.                                                                             x = 9 ± √33 / 4 .

mark me as brilinist please

6 0
3 years ago
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The area of a rectangle is 5454 in squaredin2. the ratio of the length to the width is 3 : 23:2. find the length and the width.
MrRa [10]

hello : 
let : x the length   and  y  the <span>width
</span>the area is : xy  and ; x/y = 3/2
xy =5454  ...(1)
x = (3/2)y  ... (2)
subsct in (1) : (3/2)y ×y = 5454
3y² = 10908
y² = 3636....continue    calculate : y 
8 0
3 years ago
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