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3 years ago

The cake store is having a 25\%25%25, percent off sale on all of its cakes.

Mathematics

1 answer:

mina [271]3 years ago

7 0

Answer:

2.25

Step-by-step explanation:

25% is a quarter

therefore a quarter of 9 is

0.25×9

=2.25

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Let p: x = 4 Let q: y = −2 Which represents "If x = 4, then y = −2”?

aleksandr82 [10.1K]

Yes, this is correct. When you assigned the variable x the same and equivalent to variable p. Then, their values are the same such as let P: x=4, then 4 is the value for x. Similar with q, when we assign q the same with y value, then the value of q is -2, then y is also equivalent to -2.

8 0

3 years ago

Solve for x. Round to the nearest hundredth.

Airida [17]

Answer: $32.98^{\circ}$

Step-by-step explanation:

Since, By the given diagram,

In quadrilateral ABCD, all angles are right angles ⇒ DC = AB = 15 cm and CB = DA

Also, In triangle DFA,

$sin 56^{\circ} = \frac{DA}{DF}$

⇒ $sin 56^{\circ} = \frac{DA}{16}$

⇒ $16\times sin 56^{\circ}=DA$

⇒ $13.2646011609\text{ cm} = DA$

Now, In triangle, DEC,

$tan x = \frac{EC}{DC}$

⇒ $tan x = \frac{EB-CB}{DC}$

⇒ $tan x = \frac{EB-DA}{DC}$

⇒ $tan x = \frac{23-13.2646011609}{15}$

⇒ $tanx = \frac{9.73539883912}{15}$

⇒ $tanx = 0.64902658927$

⇒ $x = 32.9846428556^{\circ} \approx 32.98^{\circ}$

3 0

3 years ago

What is the slope of (1,2) and (3,2)

sweet [91]

Answer:

Step-by-step explanation:

(1,2) ; (3,2)

slope = y₂ - y₁ / x₂ - x₁

= ( 2-2 )/( 3 - 1) = 0

So, the line is parallel to x-axis and its slope is 0

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3 years ago

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ILL MARK BRAINLIST , pls help n

bearhunter [10]

Answer:

Step-by-step explanation:

${x}^{2} - 5x - 2 = 0 \\ \\ equating \: it \: with \\ a {x}^{2} + bx + c = 0 \\ we \: find : \\ a = 1 \\ b = - 5 \\ c = - 2 \\ \\ {b}^{2} - 4ac \\ = {( - 5)}^{2} - 4 \times 1( - 2) \\ = 25 + 8 \\ = 33 \\ \\ by \: quadratic \: formula \\ \\ x = \frac{ - b \pm \sqrt{ {b}^{2} -4ac } }{2a} \\ \\ x = \frac{ - ( - 5) \pm \sqrt{33}}{2 \times 1} \\ \\ x = \frac{ 5 \pm \sqrt{33}}{2}...(1) \\ \\x = \frac{ 5 \pm \sqrt{n}}{2}...(2) (given)\\ \\ equating \: equations \: (1) \: and \: (2) \\ \\ \huge \red{ \boxed{n = 33}}$

5 0

3 years ago

Can someone please help me with this?

Burka [1]

The answer is 357.9%

4 0

3 years ago

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