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3 years ago

Help pls. cant figure it out.

Mathematics

2 answers:

const2013 [10]3 years ago

8 0

A=2

4*2=8+1=9/////2+7=9
both of the answers are 9, so a=2

Natali [406]3 years ago

8 0

$\longrightarrow{\green{a\:=\:2}}$

$\large\mathfrak{{\pmb{\underline{\purple{Step-by-step\:explanation}}{\purple{:}}}}}$

➡ $\:4a + 1 = a + 7$

Combining like terms, we have

➡ $\:4a - a = 7 - 1$

➡ $\:3a = 6$

➡ $\:a = \frac{6}{3}$

➡ $\:a = 2$

$\large\mathfrak{{\pmb{\underline{\blue{To\:verify}}{\blue{:}}}}}$

➪ $\: 4 \times 2 + 1 = 2 + 7$

➪ $\: 8 + 1 = 9$

➪ $\: 9 = 9$

➪ $\: L.H.S.=R. H. S$

Hence verified.

$\red{\large\qquad \qquad \underline{ \pmb{{ \mathbb{ \maltese \: \: Mystique35}}}}}$

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Which number produces a rational number when added to 0.5

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Any number that you can completely write down on paper using digits ... and a fraction bar or decimal point if necessary ... is a rational number. If you add it to 0.5, then the sum is another rational number.

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3 years ago

Create a matrix that is equal to F+G. The first matrix below is named F and the second matrix below is named G. Name the new mat

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F+G:

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Then, add the elements that occupy the same position:

$H=\begin{bmatrix}{-1.8+1.32} & {-8.6+(-1.9)} & {} \\ {2.85+2.25} & {-1.4+0.0} & {} \\ {-1.8+(-6.2)} & {5.1+1.4} & {}\end{bmatrix}$

Solve

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So, we find the element at address h31:

$H=\begin{bmatrix}{h11} & {h12} & {} \\ {h21} & {h22} & {} \\ {h31} & {h32} & {}\end{bmatrix}$

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1 year ago

An elephant at the zoo lost 32 pounds over 8 months. The elephant lost the same amount of weight each month. Enter an integer th

inna [77]

Answer:

<em> He would loose 4lbs. a Month 32/8=4</em>

Step-by-step explanation:

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3 years ago

Read 2 more answers

PLEASE HELP ME!A MILLION THANKS TO THE PEOPLE THAT ANSWERED ME!!.NO LINKS.WILL GIVE BRAIN IF YOU ANSWER CORRECTLY!THANK YOU SOO

azamat

Answer:

What eventually led to conflicts between settlers and American Indians in Virginia?

farmers destroying the soil with tobacco crops

farmers moving onto land close to the coast

indentured servants encroaching on settlers’ land

colonial traders charging too much for tobacco

Step-by-step explanation:

vWhat eventually led to conflicts between settlers and American Indians in Virginia?

farmers destroying the soil with tobacco crops

farmers moving onto land close to the coast

indentured servants encroaching on settlers’ land

colonial traders charging too much for tobacco

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2 years ago

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In a test (+4) marks are given for every correct answers and (-3) marks are given for every incorrect answers 1) Tahiya answered

stealth61 [152]

Answer:

Tahiya attempted 3 incorrect answers.

Helmin attempted 11 incorrect answers.

Step-by-step explanation:

Correct = +4

Incorrect = -3

1) Tahiya got 12 correct answers and scored a 40, the number of incorrect answers was:

$4*12-3I=40\\I=\frac{8}{3}\\I=2.67$

2) Helmin got 5 correct answers and scored a -14, the number of incorrect answers was:

$4*5-3I=-14\\I=\frac{34}{3}\\I=11.33$

In both cases the number of incorrect answers obtained is a fraction, which means that either the data provided is inaccurate, or that the scores obtained by the students are approximate. Let's round the number of incorrect answers to the nearest whole answer.

Tahiya attempted 3 incorrect answers.

Helmin attempted 11 incorrect answers.

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3 years ago