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3 years ago

Find the value of a? A) 3 B) 4 C) 6 D) 9

Mathematics

2 answers:

valentinak56 [21]3 years ago

6 0

Answer:

a is 3 squares tall, so the answer would be A) 3

UNO [17]3 years ago

5 0

Answer: 3

Step-by-step explanation:

The area of a^2 is 9 units. To find the area of this shape, use the formula a=l•w. We already know that the area is 9. 3•3=9, which in turn can be filled into the area formula. This means that the side (a) must be 3.

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3. Sophie and Jackie each have a collection of baseball cards, Jackie has 5 more cards than

IRISSAK [1]

Answer:

Sophie has 12.5 cards

Step-by-step explanation:

Let

x -----> number of cards Sophie has

y -----> number of cards Jackie has

we know that

x+y=30 -----> equation A

y=x+5 -----> equation B

Solve by substitution

Substitute equation B in equation A and solve for x

x+(x+5)=30

2x=30-5

x=12.5 cards

Note I assume the problem was invented without taking into account the result, because the amount of cards should be a whole number

5 0

2 years ago

Determine if the triangle is similar. If similar, state how and complete the similarity statement.

Yuri [45]

Answer:

It would be...

Step-by-step explanation:

Similar By: 22.5 and 27

ABCD: G AND H AND F

I am not sure but I try hard

8 0

2 years ago

Please answer it now in two minutes

nata0808 [166]

Answer:

$C = 28.9$

Step-by-step explanation:

Given the right angled triangle, ∆BCD, you are required to find the measure of angle C.

Apply the trigonometric ratio formula to find m < C.

Adjacent side = 7

Hypotenuse = 8

Trigonometric ratio formula to apply would be:

$cos(C) = \frac{7}{8}$

$cos(C) = 0.875$

$C = cos^{-1}(0.875)$

$C = 28.9$

(To nearest tenth)

6 0

3 years ago

Determine the coordinate of the point shown. It’s on a (3,-5) (1,-2) (1.5, -2.5) (-2.5, 1.5)

Sveta_85 [38]

Answer:

its a function

slope form:y+5=-1.18·(x-3)

(-2.5,1.5)

Step-by-step explanation:

4 0

2 years ago

HELP PLZ PLZ ITS DUE IN 30 MINUTES

Bad White [126]

Answer:

wouldn't that be...24x²?

3 0

2 years ago