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2 years ago

HELP PLSS I WILL GIVE BRAINIEST PLEASE!!!!

Mathematics

2 answers:

Alenkasestr [34]2 years ago

7 0

Answer:

Step-by-step explanation:

term | Phrase

inequality | 63<8k

Expression | bc+1-(8d-4)

Equation | w^4=81

Valentin [98]2 years ago

6 0

Answer:

Inequality 63 < 9k

Expression bc + 1 - (8d - 4)

Equation w⁴ = 81

Step-by-step explanation:

w⁴ = 81

⁴√w⁴ = ⁴√81

w = 3

3 × 3 × 3 × 3 = 81

9 × 3 × 3 = 81

9 × 9 = 81

bc + 1 - (8d - 4)

bc + 1 - 8d + 4

bc + 5 - 8d

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Mold grows on bread and every day it doubles by the eighth day the entire bread is covered with mold when was half the bread cov

Brut [27]

Answer:

The mold will cover half the area as much are one day before it.

Step-by-step explanation:

Given:

Every day the mold on bread grows doubles

And by 8th day entire bread covered with it.

To Find:

When was half the bread covered by mold.

Solution:

It is said that area covered by mold doubles on each day

Total days taken to cover entire bread are 8

Let Area of bread be A

So Area covered (A) corresponds to 8 days with doubling.

So on previous day it should What ever area on 8th day/2

i.e A(8)/2

Similar on 6th day A(7)/2

So on 5ht day =A(6)/2 ,4th= A(5)/2, on 3rd= A(4)/2, on 2nd=A(3)/2

On 1st =A(2)/2

So we required Area= half of total.

One day before the 8th day will be 7th day

on that day it will cover half are so that on next day will cover the double of the previous area consumed.

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2 years ago

How to find these key features to sketch a rough graph

Ivahew [28]

There’s no question

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2 years ago

5x^2 + 19x + 12=0 how do i figure this out

zlopas [31]

Answer:

x=−4/5 or x=−3

Step-by-step explanation:

Step 1: Factor left side of equation.

(5x+4)(x+3)=0

Step 2: Set factors equal to 0.

5x+4=0 or x+3=0

x=−4/5 or x=−3

3 0

2 years ago

Order them for me please! Thanks :)

Dmitriy789 [7]

Answer:

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Step-by-step explanation:

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2 years ago

LA BASE DE UN RECTANGULO ES 8 M MAYOR QUE LA ALTURA, EL AREA MIDE 65 METROS CUADRADOS ¿CUANTO MIDEN LA BASE Y ALTURA?

sp2606 [1]

Answer:

23 m and 15 m

Step-by-step explanation:

THE BASE OF A RECTANGLE IS 8 M GREATER THAN THE HEIGHT, THE AREA MEASURES 65 SQUARE METERS HOW MUCH DO THE BASE AND HEIGHT MEASURE?

Let the height of the rectangle is h.

Base = 8+h

Area of the rectangle, A = 65 m²

We need to find the base and height of the rectangle. The area of a rectangle is given by :

A = bh

So,

$65=(8+h)\times h\\\\65=8h+h^2\\\\h^2+8h-65=0\\\\(h-5)(h+13)=0\\\\h=5\ m\ \text{and}\ x=-13\ m$

Neglecting negative value, h = 15 m

Base = 8+15 = 23 m

So, the base and height of the rectangle is 23 m and 15 m respectively.

4 0

2 years ago