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3 years ago

EDIE WANTED TO SUBTRACT 273-188. SHE BEGAN BY FINDING 2-1. WHAT DID EDIE DO WRONG.

Mathematics

1 answer:

elixir [45]3 years ago

7 0

He started at the wrong end of the number.

He should have started with the 3-8 and borrowed ending up with 85

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Find the height of a right square pyramid that has a rectangular base area of 70 square units and a volume of 140 cubic units.

Lostsunrise [7]

Answer:

B. 6 units

Step-by-step explanation:

$V = {a}^{2} \frac{h}{3} \\ \\ 140 = 70( \frac{h}{3}) \\ \\ 6 = h \\ \\ 140 = 70(2)$

I am joyous to assist you anytime.

5 0

3 years ago

Please answer this ASAP

k0ka [10]

Answer:

c: x=2

Step-by-step explanation:

5x-3= 13-3x

+3 +3

5x=16-3x

+3 +3

8x=16

divide all of it by 8 and thats how you get your answer

5 0

2 years ago

for Anthony's birthday his mother is making cupcakes for his 12 friends at daycare the recipe calls for three and one third cup

charle [14.2K]

You subtract in this number sentence

7 0

2 years ago

The dimensions of a square are altered so that one dimension is increased by 7 feet, while the other is decreased by 2 feet. The

Kamila [148]

Answer:

the original area is 64ft squared or 169ft squared more perdurable 64

Step-by-step explanation:

(x-2)(x+7)=90

x^2 +5x -14=90

x^2 +5x -14 -90=90-90

x^2 +5x -104=0

factor it out

(x−8)(x+13)=0

so 8 or -13

4 0

3 years ago

PLEASE ANSWER FAST IM FAILING MATH!!!

posledela

Answer:

Step-by-step explanation:

From the figure attached,

Point B has been dilated to form point B'.

B(3, 1) → B'(6, 2)

→ B'[(2 × 3), (2 × 1)]

Since rule for the dilation of a point (x, y) by a factor of k is,

B(x, y) → B'(kx, ky)

By comparing the coordinates k = 2 is the scale factor by which the point B has been dilated about the origin.

Therefore, other vertices of the quadrilateral will be,

A(-2, 3) → A'(-4, 6)

C(1, -1) → C'(2, -2)

D(-3, -2) → D'(-6, -4)

4 0

3 years ago